人教版小学数学四年级下册口算题卡
山西综合职业技术学院-浙江高考成绩排名
 
23×40=       54÷3=       
 
18×30=       60÷30=         
1.8+8.18=
7.82-7.2=       
 
 
8.7+0.03=
2.7+3.9=     
 
 
 
70×50=     
 
14×60=     
 
 
18×50=     
 
1.25+2.3=    
 
 
12.3+4.06=
 
 
1.34+0.8=    
 
 
250÷50=
80÷40=        
 16×30=
35.7-2.4=      
0.75+0.4=      
9.5-2.7=         
 
9.3-8.8=     1.9+25.79=
 
 
4.5-3.26=     5.1-1.9=     2.2+5.7=
4.8-2.5=     18.3-3.7=    2.9+15.9=
6.3+3.6=     6.7-4.5=    6.8-0.7=
27.3+2.15=    23.5+1.68= 
53.16+3.54=
6.6-3.7=    7.2-2.7= 
12.3+3.7=    5.3+4.47=
2.8+1.9= 
3.2+12.76=    3.25-0.12= 4.5-2.1=
5.8+6.9=   1.5+4.85=   16.8+5.4= 
3.6-1.3=
24.6+2.4=    8.1+1.2= 
2.45+5.5=    0.5+2.6=
93.1-20.9=   53.4-2.4= 
5-0.08=
96.3-56.2= 
136.5-105=  73.4+52.1=
79.2+56.8=  7.21+6.9= 
1.64+2.35=
6.72-3.28= 
35.7-2.4= 
 
   4.5-3.26=
 
 
   
   
 
  
 
 
  
   
    
   
5.1-1.9=     2.2+5.7= 
4200÷30=    6×1300=
1300×50=  
640÷80=    15×5=     23×3=
200×48=    530+280=   
12×2×5=     480÷80=
16×5=      27×3=    90÷15=     
48÷4=
640÷16=  
39÷3=      24×20=   32×3=
48÷16=       12×8=      27×3=  
56÷14=
24÷8=     14×2=     
83-45=  
560÷80=
96÷24=    40÷20=    
40×30=       37+26=
76-39=     605+59=    
30×23=     12×8=
27+32= 
48+27=     4500×20=   73+
15=
120×600=   200×360=  
6800×400=  280+270=
4×2500=    6000÷40=    
5×1280=    310-70=
400×14=    470+180=   
1000÷25=   160×600=
20×420=   
290×300=    8100÷300=  
7600÷200=
930-660=  
7600÷400=  680+270=   980÷14=
9200÷400=    840÷21=  
180×500=   8000÷500=
1900÷20=   200×160=   
8700÷300=  
 300×
330=   3×1400=     
7000÷14=   600÷12=
9600÷80= 140×300=   8800÷40=  
9600÷800=
750-290=   
5×490=  
760×20=    7500÷500=
370×200=    650÷13=  8600-
4200=
240×4=    640÷80=     15×10=  
160×30=
250×6= 
7200+900=  410-201=     
125×8=
48×20=    
6600÷600= 
390+140=   11×80=
24×50= 
3600÷400=  4000÷50= 
 
4.8-2.5= 
  
 
  
  
    
  
18.3-3.7= 
2.9+15.9=
6.3+3.6= 
6.7-4.5= 
6.8-0.7= 
 
 
0.2-0.09= 
2+9.1= 
0.89-0.25=
1-0.55= 
20.22+0.78= 
2-0.75=
5.78-0.24= 
0.42+10.68= 
8.34-6.22=
6.37+4.55=              
320X5=    120X8=
9X4
70=    310X5=     6X150=
    390X5=
2X570
=    6X270=     270X2
=    940X3=
700X8=    4X280=     6X6
60=    2X880=
6X230=
    8X800=     7X210
=    860X6=
6X930
=    480X9= 
6X280=    240X3=
7X1
30=    2X450=     9X390=
    9X780=
270X5
=    5X690=     790X6
=    720X9=
8X920=    4X980=     340
X7=    4X710=
8X730=
    900X2=     170X9
=    9X970=
4X590
=    3X860= 
290X4=    7X630=
960
X7=    860X9=     8X680=
    340X2=
5X490
=    5X500=     6X470
=    560X3=
5X300=    5X180=     8X3
00=    820X8=
9X150=
    140X7=     3X420
=    480X6=
530X4
=    390X2= 
810X8=    8X180=
2X9
50=    670X9=     360X9=
    400X9=
2X760
=    9X350=     430X8
=    670X6=
850X4=    320X3=     3X5
50=    4X330=
980X9=
    560X6=     940X8
=    920X7=
7X510
=    200X2= 
8X490=    7X250=
7X3
20=    770X2=     2X330=
    4X520=
410X9
=    730X4=     680X3
=    2X180=
550X6=    6X970=     2X8
40=    770X5=
970X5=
    5X370=     620X8
=    990X6=
4X780
=    940X6= 
 
27.3+2.15=
23.5+1.68= 
53.16+3.54=   6.6-3.7= 
7.2-2.7=
12.3+3.7= 
5.3+4.47=     2.8+1.9=
3.2+12.76=   3.25-0.12= 
530-70=    420-90=
9600÷30=    7×700=     
203+98=   1800÷300=
240+570=  
4800÷400=    370+580=   
580-490=
910-370=   250×8=      270-
190=   360×2=
75÷25=     
330÷11=    6×800=     5400÷9=
420÷60=     9×800= 
3×330=     300×7=
9×500=     
390÷13=      6300÷700= 370+
560=
5600÷700=  4800÷12=   3500÷7=  
520+490=
450-90=  80+330=   70×700
=   7000÷70=
4000÷80= 
2400÷200=   
420-90=  170+320=
1000-
51= 520-260= 
910-190=  35×200=
22×200
=  8800÷400=  9300÷300=  
 
6×300=   1800÷200= 9300÷30
=
280÷40=   304+199= 
5600÷700=  4800÷12=
3500÷7=    
370+560=  520+490= 
390÷26=
1250÷50=   21×40=   450-90=   80+330=
70×700
6600÷220=   760-198= 660-
220=
5000÷50=  100×91=   
753-299= 7000÷70=
200÷40=   180÷30=    240÷40=  
35×2=
140×7=     13×6=   
280×3=      350×2=
50×11=   
250×6= 
7200+900=   410-201=
125×8=  
48×20=       6600÷600=  
390+140=
11×80=    24×50=   
3600÷400=   4000÷50=
530-70=   420-90=    
9600÷30=    7×700=
203+98=    1800÷300=   
240+570=
4800÷400=   
370+580=   580-490= 
910-370=
25×8=    270-
190=   36×2=        75÷25=
330÷11=    6×800=     5400÷9=  
420÷60=
9×800= 
3×330=     300×7=     9×500=
390÷13=     6300÷700=  
=   7000÷70=
4000÷80=  
2400÷200= 420-90=  170+320
=
520-260=  910-190= 
35×200=   22×200=
8800÷400=  9300÷300=   6×300
=
1800÷200=  9300÷30=  
280÷40=   304+199=
390÷26
=  
1250÷50=    21×40=
6600÷220=  760-198= 660-220
= 5000÷50=
100×91=   753
-299=    17×40=   100-63=
75÷15=  4.4+15.99= 
88-69.21= 
63.1-11=
0.48+0.52=   1-0.98= 
3.7+4.8=
8.36+0.64= 
3.6+0.87= 
8.16+3.7=
0.33+9.8=        
810÷90=    630÷70= 
  
  
  
 
 
  
100÷20=     720÷90==240÷8
0=
60÷10= 
150÷30=     450÷90= 
360÷90=
210÷70= 
320÷40=     450÷90= 
160÷40=
360÷60= 
180÷90=     150÷50= 
320÷80=
400÷50= 
360÷60=     40÷20= 
720÷80=
480÷80= 
350÷70=     70÷10=  
100÷50=
640÷80= 
80÷40=     100÷50=  
200÷40=
300÷60=  
140÷70=    540÷90=  
160÷40=
240÷40= 
180÷60=     630÷70= 
540÷60=
360÷30= 
400÷50=     180÷90= 
180÷30=
480÷60= 
400÷50=     80÷40= 
570÷30=
720÷60= 
900÷30=     160÷80= 
420÷70= 
6) 960÷60=     7) 420÷
60=     8) 900÷50=
9) 420÷10=     10) 620÷20= 
  11) 240÷80=
12) 400
÷40=     13) 630÷30
=     14)
950÷10=     1
5) 740÷10= 
  16) 840÷30=
17) 680
÷40=     18) 822÷6
=     19) 380÷20=
2
0) 620÷10= 
  21) 300÷50=     22)
140
÷70=     23) 300÷10
=     24) 940÷10=
2
5) 360÷40= 
  26) 840÷30=     27)
680
÷40=     28) 822÷6
=     29) 380÷20=
3
0) 300÷50= 
  31) 850÷10=     32)
960
÷6=     33) 990÷90
=     34) 210÷10=
3
5) 240÷60= 
  36) 530÷10=     37)
300
÷50=     38) 850÷10
=     39) 960÷6=
40)
 990÷90= 
  41) 210÷10=     42)
300
÷50=     43) 960÷80
=     44) 180÷90=
4
5) 300÷50= 
  46) 960÷80=     47)
180
÷90=     48) 980÷70
=     49) 240÷80=
5
0) 280÷40= 
  51) 980÷70=     52)
400
÷80=     53) 970÷10
=     54) 270÷30=
5
5) 1000÷50= 
  56) 400÷80=     57)
970
÷10=     58) 270÷30
=     59) 1000÷50=
60) 670÷10= 
  61) 180÷30=     62)
220
÷20=     63) 490÷70
=     64) 350÷10=
6
5) 990÷10= 
  66) 860÷20=     67)
960
÷30=     68) 880÷40
=     69) 480÷20=
7
0) 670÷10= 
  71) 180÷30=     72)
220
÷20=     73) 490÷70
=     74) 350÷10=
7
5) 990÷10= 
  76) 860÷20=     77)
680
÷20=     78) 300÷60
=     79) 900÷10=
8
0) 900÷20= 
  81) 770÷10=     82)
690
÷30=     83) 990÷6
=     84) 950÷50=
8
5) 60÷30= 
  86) 260÷10=     87)
540
÷60=     88) 580÷10
=     89) 260÷20=
9
0) 680÷20= 
  91) 300÷60=     92)
900
÷10=     93) 900÷20
=     94) 770÷10=
9
5) 690÷30= 
  96) 990÷6=     97)
950
÷50=     98) 360÷60
=     99) 470÷10=
1
00) 1000÷10= 
  
 
54090=     47)
4020
=     48) 6020=     49)
 9010=     50)
14020= 
  51) 27090=     52) 630
70=     53)
27090=     
54) 25050=     55) 49070= 
  56)
42070=     57) 401
0=     58) 9010=     59)
10020=     60) 2010= 
  61) 20050=     62)
630
70=     63) 42060=     
64) 27030=
65) 72090= 
  66) 3010=     67) 3204
0=
68) 63090=     6
9) 6010=     70) 27030= 
71) 35050=     72) 360
90=     73) 14020=
74) 45090=     75) 14070= 
  76) 16020=
77) 420
60=     78) 30060=     
79) 8020=
80) 16080= 
  81) 4020=     82) 5608
0=
83) 45090=     8
4) 32040=     85) 45090=
  86) 8020=     87) 4010
=     88)
20040=     89)
 27030=     90) 63070= 
  91)
14020=     92) 540
60=     93) 30050=
94) 36040=     95) 54060= 
  96) 72090=
97) 150
30=     98) 21070=     
99) 36040=
100) 42060= 
 
12.3+4.06= 
0.75+0.4=
1.34+0.8= 
9.5-2.7= 
1.8+8.18=
7.82-7.2= 
8.7+0.03= 
2.7+3.9=
9.3-8.8= 
1.9+25.79= 
 
7.85+3.4= 
3.07+3.65= 
1.83+2.7=
13.8+9.9= 
4.29+2.1=    8.3-2.63= 
1.7+0.43=
5-0.44= 
12.6+3.42=   19.8-5.6= 
14-0.14=   4.64+15.36= 
0.99+1.8=
2.56-0.37= 
3.9+2.03=   2.14-0.9= 
7.55-4.1=
0.87+5.68= 
13.3-5.28=   7.87+5.66=
 
62.3-1.25=   5.7-0.93= 
10.5-3.25=
6.4+1.89= 
4.1+28.9=   25.13-1.8=
5.87+35.26=  3.08+5.83= 
5.62-4.2=
16.52-1.08= 
35.85+8.04= 
30.07+39.65=
11.83+62.7= 
3.8+9.9= 
54.29+27.1=
98.3-2.3= 
10.7+0.93= 
5.64-0.44=
1.6+68.42= 
 
85.8-56.6=
20.2-7.09= 
24+9.18= 
10.89-10.25=
1.1-0.55= 
2.22+0.8= 
2.2-0.75=
54.78-10.24= 
50.42+20.98= 
2.34-1.2=
66.37+8.5=
 
     
8.02+15.28=
108.5-35.05= 
0.32+1.57= 
9.25+2.25=
9.23+4.52= 
24.8+1.46= 
5.58+1.89=
0.78+2.2= 
0.8-0.45= 
6.45-3.29=
92.7-0.05= 
87.68-20.7= 
75.8-17.5=
42.5-23.65= 
56.2+9.38= 
67.3+23.92=
4.72+8.49= 
5.63+1.27= 
9.06-1.59=
7.95-4.9= 
8.02+5.08= 
18.5-5.07=
4.32+18.7= 
5.65+8.95= 
7.3+49.52=
54.8+9.4= 
6.8+89.8= 
0.78+2.2=
0.6-0.59= 
66.5-3.2= 
 
55.63-5.6=
 
11.3+80= 
15.6-4.4= 
8.4+35.76=
8.8-2.69= 
62.9-2.17= 
6.08+12.3=
3.9+1.32= 
15.78+23.9= 
4.5-1.5=
 
3.7+7.25= 
64.79-8.67= 
5.3+19.45=
4.86-0.42= 
3.06+8.45= 
4.64+2.36=
7.8+45.22= 
1.8+5.75= 
0.63+4.5=
29.9+5.6=              
4.78+3.94=
98.8+0.08= 
47.3+5.04= 
33.1-7.65=
6.07-5.63= 
56.3-28.7= 
1.62-1.58=
2.15+10.86= 
81.1-14.9= 
4.2+3.76= 
12.7-0.55= 
7.68-2.74= 
5.58-1.75=
12.45-0.65= 
6.32+8.3= 
27.3+73.2=
4.22+8.46= 
5.63+1.25= 
9.36-1.59=
7.65-4.19= 
3.9+7.5= 
16.9-1.79=
5.63+9.5= 
4.6-0.52= 
3.56+5.75=
2.64+2.36= 
76.8+5.2= 
1.5+5.5=
0.68+4.85= 
39.7+5.06=
2.42+0.59= 
57.5+1.36= 
6.09+8.04=
4.98+1.89= 
6.4+53.6= 
32.01+5.05=
24.4-15.5= 
3.6+20.02=
41.2-2.66= 
4.4+7.68= 
92.7-0.05=
87.68-20.7= 
75.8-17.5= 
42.5-23.65=
56.2+9.38= 
67.3+23.92= 
4.72+8.49=
5.63+1.27= 
9.06-1.59= 
7.95-4.9= 
 
2.42+0.59= 
57.5+1.36= 
6.09+8.04=
4.98+1.89= 
6.4+53.6= 
32.01+5.05=
24.4-15.5= 
3.6+20.02= 
41.2-2.66=
4.4+7.68=        
 
55.63-5.6=
11.3+80= 
15.6-4.4= 
8.4+35.76=
8.8-2.69= 
62.9-2.17= 
6.08+12.3=
3.9+1.32= 
15.78+23.9= 
4.5-1.5= 
 
4.78+3.94= 
98.8+0.08= 
47.3+5.04=
33.1-7.65= 
6.07-5.63= 
56.3-28.7=
1.62-1.58= 
2.15+10.86= 
81.1-14.9=
4.2+3.76= 
 
 
2.32+0.59=
6.5+18.9= 
6.9+8.4= 
4.9+1.87=
6.5+13.56= 
33.51+5.5= 
48.43-15.65=
3.36+0.92= 
41.92-2.6= 
4.5+17.58=
 
5.63-5.21= 
1.3+8.56= 
14.6-0.34=
8.24+3.76= 
8.88-2.69= 
42.5-22.17=
6.2+12.63= 
3.8+1.37= 
15.28+28.99=
4.65-1.15= 
 
 
4.08+3.96=
28.8+3.58= 
45.03+5.4= 
34.71-5.65=
68.07-5.63= 
6.3-2.07= 
51.62-16.58=
22.15+16.96= 
51.16-14.6= 
4.6+3.76=
 
3.94+35.6= 
41.43+22.68=
7.08+28.95= 
28.3+1.95= 
19.29-9.3=
6.8-5.05= 
25.63-7.52= 
25.9+31.1=
99.1+1.9= 
35.5+25.4=              
 
32.5+6.84= 
35.43-15.3=
101.7-81.65= 
17.26+56.17=
53.69+39.05= 
8.99+58.06= 
26.5-15.7=
27.37+6.58= 
50.43-34.4= 
13.29+25.58=
 
四年级口算(七)
11.3+31.25= 
9.37-6.8=
44.9-31.9= 
20.1-19.9= 
71.4+22.57=
7.06+2.87= 
0.8+82.2= 
2.55+9.45=
51.9-21.8= 
29.4-8.83= 
 
四年级口算(八)
5.12+7.84= 
7.56+4.36=
81.9-56.45= 
35-15.6= 
18.26+3.8=
71.05+2.25= 
40-27.35= 
16.09+7.01=
3.46+5.05= 
11.16-2.36=              
145.8-15.3= 
128.9-17.7= 
35.5+41.9=
13.56+24.44= 
33.8-25.6= 
158.3-38.2=
4.97+7.29= 
18.9+27.1= 
0.9+121.1=
96.7+16.3= 
 
 
23.5-4.05=
5.4+73.65= 
1.8+3.09= 
75.9-38.7=
51.2-11.2= 
22.13+4.07= 
76-47.88= 
 
39.1+2.09= 
48.6-47.9=
1.6+20.47=        
 
211.9-11.8=
31.7+57.7= 
9.81-0.09= 
28.23-2.02=
198.3-25.1= 
132.8-59.8= 
91.9-21.1=
9.28+1.69= 
59.9+41.1= 
97.8+14.55= 
 
29.8-3.5= 
57.62+5.5= 
0.95+9.65=
36.9+6.1= 
30.5-15.6= 
9.05-3.4=
26.7+13.3= 
41.9-5.8= 
16.89-2.46=
85.6-45.1= 
 
7.94+18.5= 
4.28-1.93=
9.53+3.3= 
36.1-31.4= 
5.02+3.73=
44.6-15.15= 
21.2+58.36= 
9.07+48.1=
17.6-6.29= 
13.47+85.4=              
 
3.29+12.5= 
62.3-33.75=
4.83+10.51= 
13.98+16.3= 
6.03-3.7=
9.84-2.77= 
8.15+32.5= 
35.82-5.67=
5.69+17.2= 
4.25-2.11= 
四年级口算(九)
 
80.09-14.49=
11.89+7.74= 
8.41-1.16= 
4.05+44.83=
57.63-40.43= 
25.54-17.32= 
4.46+36.8=
25.64-5.01= 
34.9+35.5= 
74.32-8.75=
 
 
四年级口算(十)
5.93+6.13=
37.5-4.06= 
10.73-2.19= 
14.01+3.99=
8.63-7.73= 
27.9+25.55= 
11.43+8.34=
26.8-17.06= 
67.1-49.05= 
13.74+9.53=
 
7.25+5.23= 
3.84-3.48= 
9.15-7.4=
4.42+16.34= 
33.46-16.06= 
8.74+13.82=
3.36-3.29= 
46.1+6.95= 
17.01-3.72=
29.22+6.33= 
 
 
83.2-7.9=
47.2-19.6= 
39.8+6.79= 
9.11+15.9=
85.2-59.3= 
3.17+5.6= 
6.9-1.15=
8.75+6.7= 
4.78+19.4= 
43.2-35.5=
 
4.47+9.64= 
69.2-30.4= 
16.08+7.78=
12.25-7.62= 
 
36.28+24.9=
51-35.6= 
6.11-2.2= 
4.86+17.4=
65.16-30.01= 
34.9+9.09= 
 
3.92-2.1= 
16.3+28.1= 
3.57+11.5=
34.1-12.05= 
10.37+8.6= 
39.5-7.2=
28.04-5.8= 
2.37+6.94= 
61-10.7=
8.46+5.38= 
 
5.36+4.1= 
14.8+16.2=
15.16-2.4= 
16.18+45.96= 
0.51+2.86=
11.52+22.74= 
31.26-2.9= 
32.6+5.97=
31.28+13.82= 
22.81-10.92=
 
 
50.36+15.63= 
2.6+16.44=
21.55+20.6= 
5.66+1.44= 
1.69+5.88=
51.26+5.8= 
27.3+4.4= 
53.6-16.83=
22.54+6.66= 
13.2-1.66= 
四年级口算(十一)
 
24.5-1.9= 
51.62-2.8=
23.4-12.48= 
4.56+12.56= 
46.25-5.6=
23.56+12.45= 
22.11-3.87= 
63.25-7.78=
24.26+15.83= 
18.37+15.7= 
 
四年级口算(十二)
 
1.83+9.26= 
13.02+5.99=
31.24-16.5= 
10.33-7.7= 
16.5+43.25=
60.03+19.57= 
16.59-1.66= 
43.33-5.6=
28.16-6.9= 
38.19-2.6=              
13.8+37.85= 
17.51-3.6= 
55.16-22.37=
2.37+1.68= 
73.28+1.44= 
30.73+9.5=
13.6-12.69= 
41.52-23.51= 
23.6-1.77=
30.26-16.45= 
 
 
2.77-1.78=
16.73-8.16= 
36.45+17.49= 
29.4-1.66=
43.16-8.8= 
26.5-13.66= 
55.1-44.9=
36.45+3.55= 
6.69+1.8= 
55.33-6.9=
 
20.88-19.5= 
12.34+23.45=
32.14+5.6= 
47.11-28.22= 
25.36-23.79=
5.3-2.89= 
2.09+43.6= 
16.25+8.67=
13.44-2.48= 
49.2-13.61= 
 
13.16+8.48= 
11.04+6.98=
1.3+9.77= 
7.8+13.22= 
16.88-7.91=
31.55-8.6= 
3.68+16.33= 
15.6+15.06=
15.32-6.83= 
38.38-46.46= 
 
12+8.2=
25.7-6.2= 
3.48+6.6= 
2-1.07=
2.31+8.49= 
23-0.3= 
11-1.1=
17.3-0.6= 
8.8+32.2= 
7.6+3.12=   
 
2.3+26.52= 
16.4-3.5= 
9.9+2.01=
1.9+9.3= 
2.3+4.5= 
2.4+5.27=
1.4+46.6= 
3.6+23.9= 
4.09+2.6=
6.9+2.01= 
 
四年级口算(十三)
31.9-1.8=
9.7+32.3= 
51.2+0.12= 
2.34+3.4=
0.11+4.2= 
8.12-0.82= 
31.8-0.9=
42.9+6.5= 
5.36+6.7= 
4.4+6.57= 
 
四年级口算(十四)
3.5+16.8= 
2.5+7.05=
4.5-3.9= 
3.07+4.98= 
           
 
7.6-3.26= 
4.9+24.1=
3.7-0.07= 
9.7+3.03= 
2.8+4.08=
5.4+8.7=              
 
6.87+2.2=
5.3+23.7= 
9.5-0.05= 
0.34+12.6=
8.9+0.21= 
4.6+23.45= 
1.09+9.6=
8.7+9.6= 
34.7+3.3= 
8.4-4.6= 
 
25.8-4.5= 
3.1+3.9= 
7.5+41.5=
6.12-6.1= 
64.7+0.5= 
31-0.8=
22.8+4.9= 
7.6+1.9= 
2.5-0.05=
3.6-0.09=        
 
3.9+8.1=
9.8+1.6= 
11-0.67= 
3.3+7.68=
6.5+6.05= 
5.9+3.1= 
6.1+3.8=
5.4-4.6= 
2.13+2.7= 
4.9+2.6= 
 
15-1.6= 
1.02+2.8= 
5.3-3.5=
4.4+1.6= 
6.06+3.4= 
35.4+7.6=
7.7-0.8= 
18-0.9= 
3.3+3.06=
5.4+2.66= 
 
5.86-0.8= 
10-0.25=
5.5+5.75= 
6.1+1.9= 
0.7+30.5=
2.5-1.3= 
15.4-0.6= 
4.3+5.6=
1.8+5.57= 
10.6-0.3=  
 
6.3+4.56= 
25.4-3.5= 
19.8+3.3=
6-0.35= 
7.3-0.7= 
2.5+5.63=
13.4+6.5= 
18-0.8= 
2.4-2.02=
1.6+21.34= 
 
四年级口算(十五)
 
3.3+4.5=
2.5+0.75= 
5.4-0.3= 
9.2+0.08=
12.5-6.5= 
7.1+42.9= 
5.6+5.5=
3.2-3.01= 
6.45+2.5= 
2.9+1.2= 
 
四年级口算(十六)
 
5.3+23.7= 
10.2-0.5=
1.4+6.06= 
47.9-10.9= 
2.3+8.77=
11.2-2.4= 
38-16.5= 
9.9+12.1=
29.8+10.2= 
17.8-2.9=              
2.3+0.07= 
6.04+3.96= 
7.2-6.8= 
10-3.5=
3.4-2.9= 
13.6-8.6= 
27.6-6.6=
8-0.4= 
7.7-3.9= 
5.8+3.2= 
 
0.8-0.3= 
6.25-3.2= 
18-0.58=
13.8+1.9= 
41.5-3.8= 
3.56+6.4=
41.5+3.7= 
4.7-2.65= 
43.19+5.1=
52.7+7.53= 
 
1.23+0.77= 
4.3-3.4=
1.39+8.7= 
1.81+3.3= 
8.9+2.1=
3.6-24.8= 
1.72+6.7= 
12-1.2=
9.5+0.9= 
5.9-2.2= 
 
 
25.3+6.6=
16-0.53= 
37.5+4.61= 
7.58+0.3=
12.5-2.7= 
10-7.6= 
22.9-2.8=
1.18+20.9= 
56.8-3.9= 
35-4.5= 
2.5+9.45= 
6.35-1.5= 
53.6-15.4=
8.08+2.02= 
4.19-2.1= 
2.27-0.5= 
3.12+5.19=
37.15+2.85= 
5.41+42.6= 
45.2-15.2=
 
 
14.41+2.09= 
26.1-19.4=
6.45+25.3= 
14.29+5.11= 
37.15-45.02=
12.5+5.64= 
23.05-16.02= 
5.93-3.6=
11.3+23.65= 
9.17-5.06= 
四年级口算(十七)
45.1-25.1= 
9.58+4.3=
26.1+4.59= 
4.6+18.67= 
4.85+2.5=
3.3+9.8= 
34.5-21.6= 
8.66-2.46=
28.5-3.8= 
25.6+14.4= 
 
四年级口算(十八)
 
75.6-26.4= 
3.07+20.5=
20.3-17.1= 
24.3-12.24= 
28.25+3.15=
31.26-12.5= 
4.66+12.4= 
16.72+0.6=
30.1-10.05= 
23.9+7.88=              
25.4-6.2= 
7.51+3.8= 
8.46-5.41=
42.1-6.1= 
6.55-4.24= 
5.09-3.4=
24.1+12.34= 
3.94+6.2= 
8.38+34.12= 
12.6-2.5= 
 
 
2.95+7.3=
6.19+9.24= 
36.56-21.4= 
6.03+7.57=
6.92+15.5= 
10.7-5.8= 
13.9+3.01=
25.8-5.6= 
15.3+22.41= 
14.65+2.1=
 
1.23+5.64= 
48.5-6.4= 
15.9+4.5=
6.49+42.8= 
3.69+4.5= 
1.89+4.3=
21.56-2.4= 
56.4-26.3= 
18.31-5.01=
11.6+35.45= 
 
 
7.55+16.3=
54-23.6= 
13.8+3.2= 
35.12-4.1=
36.56-12.5= 
21.5+11.65= 
16.8-6.5=
29.4+0.06= 
19.28-8.25= 
23.7-11.9= 
31.6-5.8= 
27.3+0.85= 
31.1-19.6=
13.55+0.65= 
4.37+25.8= 
2.21+27.3=
33.7-23.5= 
12.86-5.6= 
23.89+1.01=
25.92-15.8=              
 
28.08+12.2= 
33.5-12.7=
1.28+26.5= 
3.61+36= 
20.1+0.21=
25.67-5.6= 
13.2+5.9= 
13.25-3.2=
9.95+0.65= 
3.64+38.5= 
四年级口算(十九)
5.04+12.7= 
42.6-24.6=
6.98+22.4= 
41.8-30.7= 
7.43+34.8=
15.85-12.21= 
10.95-7.65= 
2.14+20.3=
5.07+35.23= 
36.1-18= 
 
四年级口算(二十)
23.2-16.5= 
26.3-25.2=
36.85-12.5= 
20.09-19.9= 
39.69+20.11=
5.4-4.8= 
20.3+19.2= 
0.01+9.99=
20.18-5.05= 
7.85-2.34=              
6.71+14.9= 
29.4-7.8= 
1.84+30.5=
36.87-3.6= 
43.8-34.5= 
7.44+0.66=
15.9-7.52= 
9.45+13.6= 
42.94-31.6=
6.45+8.7= 
 
 
15.9+6.1=
0.23+12.5= 
6.28+22.9= 
0.98-0.24=
36.8-4.2= 
 
 
10.12-0.21=
16.14+23.86= 
0.12-0.01= 
11.48+0.02=
13.52+0.7=        
 
22.95-10.6=
3.65+34.6= 
5.18-3.08= 
6.07+30.5=
12.32+5.6= 
5.71+23.6= 
4.57+0.03=
28.6-12.5= 
18.6-5.5= 
24.33+12.5= 
 
2.65+3.45= 
25.89-12.8= 
7.5-2.9=
66.6+33.4= 
18.2-0.18= 
19.13-16.11=
25.76-15.6= 
18.16-0.61= 
13.96-2.9=
51.1-2.1= 
 
4.15-3.45= 
56.23+12.89=
18.08+22.9= 
11.07+13.93= 
30.5-6.57=
23.05+45.1= 
20-12.25= 
60-32.5=
3.45+12.95= 
66.25+33.75= 
 
24.8-11.6= 
10.07+3.93= 
8.9+4.35=
40.9-20.09= 
43.17+2.9= 
25-4.54=
14.6+4.56= 
5.76+3.42= 
4.49+4.11= 
6.5+5.8= 
 
四年级口算(二十一)
23.1+45.09= 
11.2-4.8= 
13-4.23=
12-4.55= 
8.99+2.11= 
19.02+6.9=
6.45+3.95= 
31+8.1= 
2.45+35.5=
1.98-0.89= 
 
 
四年级口算(二十二)
11-4.5=
6.3+4.07= 
60.75+3.25= 
13.5+11.25=
30-5.55= 
12.48+3.45= 
12.45-0.65=
3.69+6.31= 
5.9+4.13= 
4.24+3.56=
 
15.8+11.9= 
43.02-15.9=
6.25+13.75= 
2.75+7.35= 
10.45+3.55=
3.5+45.9= 
20.17+20.71= 
4.67+3.33=
21.7+9.3= 
20.5-4.6= 
 
2.12+3.88= 
9.8-3.28= 
20.78+4.66=
20.4+5.6= 
13.8-4.2= 
5.12-4.22=
7.45+1.89= 
7.24+12.6= 
23.88+10.2=
11.8+40.2=   
 
2.07-1.98= 
10-7.98=
 
     
2.34+19.78=
31.44-5.64= 
98.1+10.2= 
11.2-4.9=
34.2+2.9= 
12.8+13.23= 
6.08+3.94=
12.65+0.35= 
 
 
2.03+12.5=
6.35+3.75= 
3.67+45.03= 
4.6+3.04=
3.89+2.11= 
8.97+3.03= 
6.84-4.44=
6.12+5.78= 
5.64-4.34= 
60.2+5.34= 
40.5-4.05= 
54.3+44.53= 
54.12+3.89=
3.56+6.12= 
4.37+6.33= 
6.45+4.3=
6.34+6.66= 
12-5.88= 
6.4+34.5=
12.3+5.6=              
 
5.28+16.14= 
30.5+9.6= 
2.36+7.59=
13.16+53.59= 
43.16+3.77=  
5.58-2.19=
43.21-12.34= 
16.55+2.9= 
7.77+13.33=
13.32+7.6= 
 
四年级口算(二十三)
10.8-4.9=
3.08-2.88= 
3.4+2.89= 
6.78+5.43=
4.32+60.7= 
8.9+1.1= 
5.2+6.82= 
50.12+4.78= 
60-4.34=
8.98+4.23= 
 
 
四年级口算(二十四)
46.11-26.52= 
27.31-18.27= 
34.12-16.55
16.7-8.86= 
50.55-18.67= 
22.68-8.86=
26.71+16.8= 
24.56-7.66= 
16.46+27.82=
43.52+8.86=              
 
3.67+50.3=
35.46+10.44= 
30-6.45= 
45-4.05=
34-5.2= 
43.1+5.09= 
53.2+1.2=
4.4+6.41= 
45.23+1.67= 
40-5.7= 
 
23.4-16.8= 
26.43+16.56=
12.34-1.23= 
25.26-8.9= 
43.73+17.62=
17.3-8.74= 
15.84+9.99= 
16.73+8.3=
13.75+3.84= 
23.01-8.3=        
12.3+4.5= 
4.53+11.4= 
46-4.6=
31.2+38= 
3.45+25.5= 
4.23+7.21=
39-4.9= 
39-12.5= 
6.8+54.2= 
5.6+56=
 
 
21.21-19.12= 
24.82+16.18=
5.86+18.59= 
2.28+37.8= 
15.8-14.79=
27.19-5.56= 
19.89-8.26= 
49.23-7.76=
35.59-16.6= 
5.79+16.76= 
 
4.8+7.6=
25.4-7.3= 
1.72+3.5= 
8.9-4.6=
26.3-10.5= 
2.5+4.9= 
11.8+9.3=
3.12+6.9= 
0.74-0.4= 
8.5-6.8=     
 
4.3-2.1= 
6.2+7.8= 
6.45-4.8=
5.97+25.4= 
3.1-0.7= 
4.12-3.76=
1.14+3.08= 
1.06+5.08= 
0.07+2.18=
35.3-4.7= 
 
四年级口算(二十五)
 
4.9-3.5=
5.01+6.4= 
8.34-5.6= 
6.7+2.1=
6.04+3.08= 
3.58 +95.7= 
4.05-2.4=
5.07+1.8= 
9.27-6.5= 
18.7-3.9= 
 
四年级口算(二十六)
5.7-0.63= 
8.8-4.3= 
 
3.07+5.09= 
5.8-2.9=
5.9+0.5= 
0.09+1.23= 
5.5-1.9=
0.02+1.19= 
6.2-3.5= 
3.65+4.73= 
2.17-1.05= 
7.51-8.3= 
5.6-2.57=
8.4-5.05= 
5.98-3.9= 
2.06-8.01=
5.05+6.09= 
5.4-3.08= 
5.3-8.4=
5.96+9.7= 
 
 
4.8+7.6= 
5.4+7.3=
4.95+16.2= 
6.3-4.4= 
21.2-3.9=
2.56+4.18= 
8.6-4.8= 
7.04-3.18=
3.12-0.09= 
4.97+0.15=        
5.8+3.39= 
3.3-7.6= 
2.1-0.07=
0.6+1.8= 
7.4-0.9= 
4.5-0.67=
9.1+4.8= 
7.2+3.9= 
6.09+93.5=
22.5+4.7= 
 
 
6.9-3.6= 
7.1-3.6=
8.8+9.4= 
8.5-6.7= 
8.4-1.02=
0.08+5.03= 
1.04-0.08= 
4.2+3.59= 
6.37-5.6=
27.6-2.5= 
 
17.25+3.3= 
4.04-1.1=
75.06+1.9= 
2.5+44.85= 
19.8+5.42=
32.6-5.3= 
44.6+4.4= 
2.1+1.2=
67.45+5.5= 
21.5+2.35=              
 
30.1-20.9= 
23.4-2.48= 
5.9-0.08=
6.3-5.29= 
6.5-1.53= 
7.4+5.16=
7.2+6.8= 
7.21+6.97= 
21.64+24.5=
64.2-3.22= 
 
四年级口算(二十七)
60.7-2.88= 
98.5-28. 6= 
60.1-7.9=
8.92+5.7= 
98.8-4.5= 
98.3-67.7=
9.9+43.9= 
3.3+89.6= 
2.77-1.5=
4.78-0.77= 
 
 
四年级口算(二十八)
20.2-7.09= 
24+9.18= 
10.89-10.25=
1.1-0.55= 
2.22+0.8= 
2.2-0.75=
54.78-10.24= 
50.42+20.98= 
2.34-1.2=
66.37+8.5=              
67.3+10. 5= 
1.5+10.68= 
53.13+2. 4=
6.3-3.85= 
78.2-2.4= 
10.3+87.97=
98.3+4. 7= 
5.8+27.9= 
34.2+12.8=
37.25-13.12=
 
 
46.4+15.99=
8.8-6.21= 
6.1-1.1= 
10.48+0.2=
1.41-0.98= 
83.7+4.8= 
88.36+0.65=
63.6+9.87= 
86.16+3.77= 
60.33+9.8=
 
30.96-4.9= 
9. 5+0.74= 
81.4+10.8=
10.5-2.7= 
36.8+0.8= 
0.82-0.28=
5.7+10.03= 
86.7+35.9= 
7.3-3.78=
56.9+2.79= 
 
 
35.85+8.04=
30.07+39.65= 
11.83+62.7= 
3.8+9.9=
54.29+27.1= 
98.3-2.3= 
10.7+0.93=
5.64-0.44= 
1.6+68.42= 
85.8-56.6= 
1.4-0.14= 
64.64+36.36= 
40.99+61.9=
 
54.86-7.77= 
34.9+7.08=
5.14-0.99= 
7.5-4.18= 
0.7+5.4=
83.3-5.8= 
7.81+5.6=              
 
65.3-1.75= 
8.7-0.98= 
0.5-0.03=
5.4+3.86= 
4.3+20.9= 
22.1-1.88=
5.27+34.2= 
3.38+51.3= 
5.22-4.26=
16.22-1.8=