人教版小学数学五年级上册口算、竖式计算、应用题
-
五年级口算(每
3.5
×
0.01
=
0.72
÷
0.6
=
0.3
÷
0.1
﹦
天
30
道)
1.25
÷
0.25
< br>=
2.6
÷
< br>1.3
=
37.2
×
99<
/p>
+
37.2
7.82
-
7.2=
0
×
9.8
=
0.6
×
0.3
=
﹦
2.19
+
9.1=
3.9
+
0.39
=
0
÷
3.65
=
4.5
×
2=
10.1
-
0.89=
4.8
+
5.2
=
7.82
÷
1
=
7.8+0.22=
0.68
+
0.42=
0.5
×
0.4
=
0.001
÷
0.1
=
2
-
0.64
-
0.36
8.1
-
5.1=
4
p>
÷
0.25
=
1.4
÷
0.7
=
3.4
×
0.4=
0.728
-
0.24=
3
÷
4
p>
=
3.6
÷
p>
0.06
=
12.6
-
0.9=
0.8
+
0.18=
8.1
÷
9
=
5.6
÷
0.9
=
2
p>
-
1.64
-
0.
36
0.89
-
0.25=
1
-
0.98=
0.048
+
0.52=
5
×
400=
19.9+11.1=
187÷
1000=
1+3.89=
0.081×
10=
75÷
10=
0.96÷
0.8=
0.8
×
7
=
1.5
×
7
=
1.32
×
8
=
0.7
×
8
=
10.3
×
2
=
5<
/p>
×
0.6
=
<
/p>
0.9
×
0.3
=
3.5
×
0.2
=
2.01
×
0
=
10
×
0.05
< br>=
0.13
×
7
=
0.21
×
100
=
0.7
×
4
=
0.05
×
4
=
4
×<
/p>
0.3
=
12
.5
×
8
=
2.3
×
4
=
3.25
×
0
=
0.
4
×
50
=
30
×
0.1
=
2.6
×
3
=
4.
1
×
2
=
0.35
×
0.2
=
7.5
×
0.1
=
1
-
0.08
=
< br>
p>
2.5
×
4
=
p>
p>
6
-
0.025
=
3.6
+
6
.3
=
0.0
5
×
4
=
3.5
×
0
=
0
÷
3.5
=
0.9
×
0.3
=
1
×
0.06
=
9
×
0.5
=
1.2
5
×
8
=
2.6
×
3
=
4.1
×
2
=
0.3
5
×
0.2
=
p>
7.5
×
0.1
=
0.9
×
0
.3
=
1
p>
×
0.06
=
9
×
p>
0.5
=
1.2
5
×
8
=
0.2
×
0.4
=
p>
8.2
+
1.8
=
100
-
3
5.22
=
2.5
×
0.4
=
p>
2.4
×
5
=
p>
0.22
×
4
=
0.9
-
0.52
=
p>
3.99
×
1
=<
/p>
0
p>
×
3.52
=
2.5
÷
5
=
8.4
÷
7
=
0.34
÷
17
=
p>
2.5
÷
0.5
=
8.4
÷
0.7
=
0
.34
÷
0.17
=
< br>
30.4
÷
4
=
1.2
×
6
=
5.6
÷
1.4
=
0.4
8
÷
0.8
=
4.4
÷
0.11
=
4.2
×
3
=
3.2
×
0
.4
=
0.3
÷
0.01
=
4
÷
0.5
=
p>
5.1
÷
0.17
=
0.28
÷
1.4
=
0.9
÷
0.45
=
p>
9.6
÷
16
=<
/p>
1
÷
0.01
=
0.01
÷
1
=
p>
7.5
÷
1.5
=
0.81
÷
9
=
3
÷
0.5
=
p>
10
÷
25
=
p>
4.8
÷
0.16
=
0
÷
3.89
=
3.5
2
÷
1
=
37.2
×
99
+
37.2=
6.4
÷
4
﹦
1.5
÷
0.3
﹦
1
×
0.4
÷
1
×
0.4=
1.8
×
5
﹦
p>
7.2
÷
0.9
﹦
25
×
4
÷
0.25
×
4=
2.2
×
6
﹦
8.4
÷
0.4
﹦
9
÷
5
-
1.9
÷
5
4.5
÷
0.9
﹦
2.5
×
4
﹦
25
×
3.3
×
0
﹦
p>
2.5
×
4
﹦
p>
1.2
÷
0.04=
0.42
÷
7=
p>
1.25
×
3.3
×
0
0.9
+
2.01=
2.97
÷
100=
20<
/p>
-
3.7
-
7.
3=
6.3+7=
2.19
+
9.1=
5
p>
×
0.75
÷
1.
5
×
0.75=
0.
65×
0.2=
9.8-0.98=
1-0.1×
0.1=
0.7+3=
1.2×
0.8=
0.9×
7+10.7=
6.3÷
0.021=
1.5÷
0.03=
6.8-2.4÷
3=
5×
0.7=
0.43×
5=
3.6÷
0.9-4=
3.6-0.36=
8.1-2.2=
0.6÷
0.3+0.5=
6.8
+
8.6=
9.4
×
0.2=
1.8
÷
0.9
×
0.5=
2
-
1.08=
8.8
÷
0.4=
(1.6+0.5)
÷
5=
43
×
0.01
﹦
3.72
×
0.2=
0.7
×
8-0.6=
99
+
0.1
﹦
1
3.2-2=
6.3÷
7=
p>
6
×
0.125
×
8=
5.6×
100=
1.9
×
4
﹦
0.75÷
0.25=
8.8
÷
0.11=
0.125×
8=
4
×
p>
1.2
×
0.25=
4.8÷
0.3=
0.125
×
8
﹦
0.86÷
2=
1.8
×
40=
0.56÷
28=
2.5-3.6
÷
1.8=
0.36÷
0.4=
p>
2.3
÷
0.1
﹦
0.64÷
0.8=
7.2
+
12.8=
3.2÷
0.04=
5.6
÷
0.01=
0÷
1.7=
0.22
×
102=
2.3×
100=
9.6
÷
0.8=
0.75×
100=
5
×
0.24=
0.108÷
2=
4.5
-
0.05=
10.8÷
9=
3.9÷
0.13
7.8÷
0.01=
16.5÷
0.5=
5.4÷
0.6=
5×
0.12=
3÷
5=
8
×
5.1=
12-0.05
×
4=
4.2
×
3
﹦
2.01
÷
3=
16-4.5-5.5=
1.8
÷
0.3
=<
/p>
3.72
÷
4=
13-0.5-4=
1.1×
0.7=
2.32-0.4=
1.9+5.1÷
51=
3.2×
50=
3.2×
0.5=
1×
0.01÷
0.1=
1.25÷
0.5=
1.29÷
3=
7.2-1.2+6.7=
2.5×
2=
0.5×
10=
0.6×
8=
2.1×
2=
2.8×
10=
0.7×
0.8=
0.04×
20=
5.6+0.4=
4.7+2.3=
4.5
×
2=
6.9
-
2.5=
7.2
×
0.8=
6
×
3.4=
0.62
-
0.32=
1.4
×
0.5=
0.75
×
100=
0.02×
0.5=
3.6×
0.3=
0.7×
9=
3.6
÷
24=
0.8
×
1.1=
7.2+12.8=
46.7
-
3.8=
12.8÷
4=
5.2÷
13=
12.5÷
5=
1.64+4.1=
10÷
20=
24÷
15=
8.65×
10=
0.35×
0.6=
3.08×
0.01=
4.95×
1000=
6.9×
0.1=
0.4×
0.5=
2.4÷
0.8=
10.8÷
9=
9.6÷
0.8=
0.108÷
2=
4.95÷
0.9=
9.65÷
0.1=
0.325×
100=
2.5×
8=
0.56÷
0.7=
0.125×
4=
3.28×
0.1=
3.9÷
0.13=
7.2×
0.1=
0.01×
0.1=
0.25×
0.4=
1.6÷
0.8=
1÷
2.5=
1.25×
0.8=
24×
0.5=
4.8
×
0.5=
2.8
+
4.2=
0.84
÷
2.1=
5
÷
0.25=
7.8÷
0.01=
5.4÷
0.6=
3.2÷
5=
7×
0.62=
0.56
÷
0.8=
7.4
-
2.8=
0.18
÷
0.2=
0.16
÷
8=
4.5
×
0.02=
8
+
7.2=
1.2
×
30=
0.012
×
0.2=
7.3×
0.3=
0÷
6=
3.6÷
0.12=
7.8÷
0.6=
2
÷
5=
4.5
+
5=
0.3
÷
0.6=
0.96
÷
0.2=
10.5
×
0.4=
7.3
+
0.27=
8
×
0.125=
0.54
÷
0.6=
0.61
+
0.39=
0.56
÷
28=
10
÷
20=
4.08
÷
0.4=
10
-
9.4=
0.8
×
0.11=
7×
0.62=
12÷
0.5=
5.2×
0.4=
12.2÷
0.2=
5.6÷
100=
0.41
+
3.7=
0.02
×
0.5=
7.2
-
0.8=
1.4
×
0.5=
84÷
0.21=
0.75÷
0.25=
2.5×
16=
0.108÷
2=
1.75
+
32.5=
16
-
5.07=
5.2
÷
13=
1.64
÷
41=
1.02×
0.2=
0.26×
0.3=
8.4×
0.02=
1.2×
6=
0.8×
0.05=
12.6÷
0.03=
8.71÷
0.1=
21÷
0.21=
0.8×
0.13=
0.34÷
17=
8.08÷
0.4=
0.5×
2.2=
1.24
×
4=
3.27
+
0.63=
5.02
×
0.3=
0.3
×
0.5=
5.6÷
7=
72÷
7.2=
2
0.7÷
0.35=
0.61
+
0.39=
7200÷
800=
0.56
÷
28=
0.7÷
1.4
0.17+0.6=
0.48
÷
0.04=
10
÷
20=
0.83-0.6=
1.25
÷
2.5=
4.08
÷
0.4=
17×
300=
5.5
+
5.5=
1.2×
0.3 =
0.98-0.09=
16.8
÷
8=
6.6÷
1.1 =
0.2+0.78=
0.54
+
2.2=
4.9÷
7=
600×
700=
3.5
-
0.05=
0÷
0.48=
10.2+0.02=
2
÷
0.02=
3.4-1.4=
0.15+0.7=
0.74+0.16=
23×
100=
9.8-4.8=
480÷
40=
0.53÷
100=
5.1+2.3=
125×
80=
0.078÷
10=
0.52+0.4=
0.25
×
40=
1.5×
0.6=
0.32÷
0.8=
12.25÷
0.5=
73.5×
0.1=
46.5
+
52.5=
0.45
×
102=
1.25
×
88=
p>
2.64
+
3.85
+
1.54=
8×
1.25=
7÷
3.5=
4.2÷
0.7÷
6=
0.4×
8.6×
25=
0.27
÷
0.3=
2.5
×
101=
p>
0.65
×
101
-
0.65=
2.6
×
7
÷
2.6
×
7=
0.02×
0.5=
3.6×
0.3=
6.3÷
7=
5.6×
100=
7.8÷
0.01=
5.4÷
0.6=
3.2÷
5=
7×
0.62=
1.5×
0.6=
0.32÷
0.8=
12.25÷
0.5=
73.5×
0.1=
2.5×
2=
0.5×
10=
0.6×
8=
2.1×
2=
7.82-7.2=
2.19+9.1=
10.1-0.89=
0.68+0.42=
8.1-5.1=
0.728-0.24=
0.8+0.18=
0.89-0.25=
1-0.98=
0.048+0.52=
5×
400=
19.9+11.1=
187÷
1000=
1+3.89=
0.081×
10=
75÷
10=
0.96÷
0.8=
0.8×
7=
1.5×
7=
1.32×
8=
0.7×
8=
10.3×
2=
5×
0.6=
0.9×
0.3=
3.5×
0.2=
2.01×
0=
10×
0.05=
0.13×
7=
0.21×
100=
0.7×
4=
0.05×
4=
4×
0.3=
430-250=
0.17+0.06=
1.02-0.09=
670+250=
10.2+0.2=
9.2-6=
8500÷
500=
3.2-3.2=
3.7+2.3=
25×
100=
3.2-0.32=
2+2.8=
380-290=
0.35+0.5=
0.35+0.63=
3500÷
70=
3.1+3=
3.8+0.38=
7500÷
250=
3.8+1=
0.95-0.05=
450+780=
3.1+0.3=
3+0.3=
630÷
9=
4.5-0.4=
9.5-5=
330×
9=
9.53-1.53=
9.5-0.5=
3.5+2.4=
1-0.95=
0.3+0.27=
0.47+0.13=
4.5+4=
4-0.6=
0.95+0.05=
2.5+3.2=
70×
12=
0.25×
100=
3.4-2.8=
0.6-0.37=
0.052×
10=
10+0.08=
1-0.75=
0.5×
1000=
0.82+0.3=
13.5+6.5=
3.05×
100=
1.2-0.8=
21.6-12.6=
63÷
100=
0.83-0.5=
0.76+0.14=
80÷
1000=
2.7+0.4=
0.72-0.43=
30×
100=
0.92-0.2=
3.5+4.8=
3.5+2.4=
5+0.07=
1-0.61=
0.47+0.23=
0.25+0.75=
3.7+0.33=
0.51+0.33=
1-0.6=
8-4.6=
5.8-3.6=
0.52+0.4=
6.45+5.5=
4.5-1.3=
3
3.4-2.8=
9.53-1.53=
8.8-6.7=
10+0.08=
9.5-7.3=
7.2+0.8=
7.82+0.3=
8.8-6.7=
9.5-7.3=
1-0.95=
3.4-2.8=
0.96-0.35=
9.53-1.53=
0.25+0.75=
1.2-0.8=
0.83-0.5=
2.7+0=
12.5×
8=
2.3×
4=
3.25×
0=
0.4×
50=
30×
0.1=
2.6×
3=
4.1×
2=
0.35×
0.2=
7.5×
0.1=
2.5×
2=
0.5×
10=
0.6×
8=
2.8×
10=
0.7×
0.8=
5.6+0.4=
4.7+2.3=
4.5×
2=
7.2×
0.8=
6×
3.4=
0.62-0.32=
0.75×
100=
0.02×
0.5=
3.6×
0.3=
5.6×
100=
0.75÷
0.25=
0.125×
8=
0.86÷
2=
0.56÷
28=
0.36÷
0.4=
0.7×
9=
3.6÷
24=
0.8×
1.1=
46.7-3.8=
12.8÷
4=
5.2÷
13=
1.64+4.1=
10÷
20=
24÷
15=
0.35×
0.6=
4.7+2.3=
4.5×
2=
6.9
-
2.5=
7.2×
0.8=
6×
3.4=
0.62
-
0.32=
1.4×
0.5=
0.75×
100=
0.02×
0.5=
3.6÷
0.3=
6.3÷
7=
5.6÷
100=
0.75÷
0.25=
0.125×
8=
4.8÷
0.3=
0.96÷
2=
0.56÷
28=
0.36÷
0.4=
0.64÷
0.8=
0.72÷
3.6=
3.6÷
24=
0.8×
1.1=
7.2+12.8=
46.7
-
3.8=
12.8÷
4=
5.2÷
13=
12.5÷
5=
1.64÷
41=
10÷
20=
24÷
15=
8.65×
10=
0.35×
0.6=
3.08×
0.01=
4.95×
1000=
6.9×
0.1=
0.4×
0.5=
2.4
÷
0.8=
10.8
÷
9=
9.6
÷
0.8=
0.108
÷
2=
4.95
÷
0.9=
9.65
÷
0.1=
0.325
×
100=
2.5
×
8=
0.
56
÷
0.7=
0.125
×
4=
3.28
×
0.1=
3.9
÷
0.13=
7.2
×
0.1=
0.01
×
0.1=
0.25
×
0.4=
1.6
÷
0.8=
1
÷
2.5=
1.25
×
0.8=
3.2
÷
0.04=
0
÷
1.7=
0.22
×
102=
9
÷
0.25
÷
4=
0.25
×
3.97
×
4=
0.5
×
8=
3.6
×
0.4=
39.68
×
0=
47.6
×
1=
4
÷
0.5=
12
÷
0.06=
12
÷
1.2=
3
÷
30=
0.15
×
7=
3.2
×
6+3.2
×
4=
2.5
×
4
×
0.36=
0.2+0.8
×
0.5=
6.03
×
1000=
10
×
0.6=
6.45
×
0.01=
0.1
×
0.1=
0.24
×
0.5=
5.4
+
3.6=
1.25
-
0.25= <
/p>
10.2
×
4.5
=
2.5
×
6
=
9
×
0.25
=
0.125
×
4=
1.25
×
8
×
0.5=
16
×
0.01=
1.78
÷
0.3=
0.27
÷
0.003=
0.01
÷
0.1=
1.8
×
20=
x-0.4x=
5d-2d=
3.6
÷
0.4=
0.6
×
0.8
=
2.4
×
3
=
0.12<
/p>
×
0.7
=
4
÷
5
=
p>
1.6
÷
0.5
=
0.2
÷
0.05
=
2.5
×
2.3
×
4=
1.5
÷
1.5
+
1.5=
3.6
-
1.2
÷<
/p>
2.4=
4.7
×
6
+
4
×<
/p>
4.7
38.5
×
< br>0
×
0.38=
0.6
×
0.8=
3
×
0.9=
2.5
×
0.4=
3.6
×
0.4
12.5
×
8=
50
×
0.04=
80
×
0.3=
1.1
×
9
53.73
-
17.49
=
8.76
+
0.351
=
42.4
+
7.6
=
1.58
+
2.42
=
7.8
-
5.6
=
1.25×4=
7.8×0.5=
3.9
+
2.7
=
0.24÷0.3=
2.5×4=
4
0.3÷10=
1.25×8=
5.7÷5.7=
0÷4.8=
77÷7.7=
12
-
3.8
=
8.1
-
0.05
=
5.25×
5
16.9÷
0.13
35.4×
4.2
1.55÷
3.9
8.5÷
0.5+0.6=
0.042×
0.54
3.7×
0.016
0.76×
0.32
13.76×
0.8=
p>
一、
竖式计算:
0.25×
0.046
5.2×
0.6
5.4
73.25=
2.52×
3.4
8.4×
1.3
2.346
÷
2.3 =
1.08×
25
6.4×
0.5
1.7+1.3×0.4=
3.6×2
-3.6=
0.24÷0.3=
0.2×0.5=
0.7×
0.9
=
2÷
0.01
=
8.2
-
2
.8
=
1
÷
0.25×
4
=
3.9÷
3
=
11.2
+
0÷
6
=
3.9
+
4.3
=
10
-
4×
2.5
=
1-0.6+0.4=
4.8÷
0.02=
1÷
0.01×
3.8=
1.5×
0.02=
7.89+0.8-7.89+0.8
6÷
0.5×
2=
1.25×32=
0.56÷7=
1.2×5=
1.9÷0.19=
7.5×4=
0.36÷18=
1.4×0.6=
2.1×0.3÷2.1=
2.3
-0÷8.1=
1.37
-
1.37÷1.37=
< br>
8.37×0.4+
9.6×8.37
0.5×4÷0.5×4=
72-
3.6÷0.4=
9.5+0.5×2=
15.8-6.8+3.2=
5.4+4.6-2.8=
9-3.2-0.8=
(1.5+2.4)×0.2=
<
/p>
53.2
÷
13
(保留
两位小数
9.744
÷
4.8=
0.342
÷
0.36=
0.27
÷
1.1=
(保留
两位)
0.78
×
6.05=
8.45
×
0.18=
2.95
×
8.6=
7.85
×
0.63=
5.4
7
×
3.25
2.346
÷
2.3
0.98
×
0.36
12.3
÷
14
53.2
÷
13
(保留
两
位
)
0.396÷
1.2=
0.756÷
0.36=
15.6×
13=
0.18×
15=
0.025×
14=
3.06×
36=
0.04
×
0.12
=
3.84
×
2.6
≈
5.76
×
3
=(保留
一位)
7.15×
22
90.75÷
3.3
3.68×
0.25
16.9÷
0.13
1.55÷
3.9
3.7×
0.016
13.76×
0.8=
5.2×
0.6
8.4×
1.3
6.4×
0.5
4.48×
0.4
0.12
×
0.5
×
0.16
< br>=
p>
4.8
×
0.25
=
0.125
×
1.4
≈
(保
留两位)
2.5
÷
0.7=
(保留
三位)
10.1
÷
3.3=
(商用循
环)
10.75
÷
12.5=
(乘
法
验
算
)
3.25
×
9.04=
(除
法
验
算
)
0.43×
0.28=
6.45×
0.73=
4.6×
0.6=
8.9×
0.05=
3.08×
0.43=
1.5×
26.7=
5.22÷
29=
18.72÷
3.6=
13.95÷
3.1=
7.15×
22
90.75÷
3.3
3.68×
0.25
0.396÷
1.2=
0.756÷
0.36=
15.6×
13=
0.18×
15=
0.025×
14=
3.06×
36=
0.04
×
< br>0.12
=
3.84
×
2.6
≈
5.76
×
3
=
7.15×
22
90.75÷
3.3
3.68×
0.25
4.48×
0.4
5.25×
5
35.4×
4.2
0.042×
0.54
0.76×
0.32
0.25×
0.046
2.52×
3.4
1.08×
25
0.12
×
0.5
×
0.16
=
< br>
4.8
×
0.25
=
p>
0.125
×
1.4
≈
(保
留两位小数)
2.5
÷
0.7=
(保
留
三<
/p>
位
小
数
)
10.1
÷
3.3=
(商
用循环小数)
10.75
÷
12.5=
(用乘法验算)
p>
3.25
×
9.04=
(用
除法验算)
二、
<
/p>
脱式计算
(能
简算的要简算)
2.5
×
7.1
×
4
16.12
×
99
+
16.12
5.2
×
0.9
+
0.9
7.28
×
99+7.28
4.3
×
50
×
0.2
64
-<
/p>
2.64
×
0.5
26
×
15.
7
+
15.7
×
24
(2.275
+
0.625)
×
0.28
3.94+34.3×
0.2
5
1.2×
(9.6÷
2.4)÷
4.
46×
0.3
3+54×
0.33
2.25
Х
p>
1.08
Х
0.8
÷
0.27
8
(8×
5.27) ×
1.25
2.05
÷
0.82+33.6
8.9×
1.1×
4.7
6.81+6.81×
99
67.
875+225
Х
44.28
÷
0.9
÷
4.1
2.7×
5.4×
3.9
0.25×
185×
40
9.07-22.78
÷
3.4
3.6×
9.85-5.46
6.8×
0.75÷
0.5
6.7875+2.25
Х
17
÷
8.05×<
/p>
3.4+7.6
3.75÷
0.125
–
2.75
0.25-23.795
6.58×
4.5×
0.9
1.53+23.4÷
7.2
53.375
13
÷
2.8×
0.5+1.58
9.5×
99
32
+<
/p>
4.9
-
0.9
13.5×
0.125-18.08
0.98
p>
4.8
-
4.8
×
0.5
(1.25
-
0.125)
×
8
4.8
×
100.1
56.5
×
99
+
56.5
< br>7.09
×
10.8
-
0.8
×
7.09
4.85 + 0.35 ÷
1.4
8.7 ×
17.4 - 8.7
×
7.4
12.5×
0.4×
2.5×
8
0.87×
3.16+4.64
9.5×
101
0.68
÷(
5.2
-3.5
)×
1.25
40.5
÷
0.81
×
0.18
4.8
×(
15
÷
2.4
)
6.81+6.81
×
99
0.2
5
×
185
×
40
4.4
×
0.8
-
3.4
×
0.8
(9.37+9.37+9.37+
9.37)
×
2.5
4.2
×
1
.75
+
1.8
×
1.75
2.37×
6.3+2.37×
3.
7
2.5×
1.25×
0.32
3.8×
10.1
2.5×
(3.8×
0.04)
7.69×
101
3.8×
10.1
0.25×
39+0.25
0.125×
72
12.5×
8.8
106.02
÷
9.3
×
4.6
(3.6+9.728
÷
3.2)
×
2.5
2.14×
3.8
< br>+
7.6×
8.93
2.005
×
390+20.05
×
141+2
00.5
×
2
2.22
×
2.6+8.88
×
0.
6
6.58
Х
3.7+65.8
Х
0.63
7.2
Х
9
.9+0.9
Х
1.1
2.22
p>
Х
2.6+8.88
Х
0.6
3.7
Х
15+21
Х
5.4
23.3
Х
23.23-2.323
Х
223
p>
(3.6+9.728
÷
3.2)
Х
2.5
p>
2.005
Х
390+20.05
Х
141+200.5
Х
2
6.58
Х
1.02
7.92
Х
9.7
< br>7
Х
9
Х
11
÷
0.5
÷
0.25
÷
0.125
想:÷
0.5
÷
0.25
÷
0.125
分别相当
于乘什么?
3.7
Х
1
5+21
Х
4.5
想:你能通过变<
/p>
形得到公因数
吗?
9.728
÷
0.25
Х
2.5
3.95
< br>+
1.2
×
5.6
2.3
×
4.8
×
2.7
19.44
÷
2.7
-
4.8
×
p>
0.25
10.71
-
4.3
×
2.8
< br>÷
3.5
(
2.65+2
.77
)
÷
(
1.98-0.98
)
=
3.7<
/p>
×
91.6+6.3
×
< br>
0.45
91.6=
×
12
×
0.2=
6.2
< br>×
2.1
-
2.12.8
-
2.8
×
0.15
=
2.8
×
1.43
+
0.57=
10
-
6.06
+
8.5=
6
×
0.25
×
1.8=
144
÷
3.6
+
27.2=
0.87
×
3.16+4.64=
6.8
×
0.75
÷
0.5=
13.75
÷
0.125
–<
/p>
2.75=
53+23.4
÷
7.2=
2.881
÷
0.43
-
0.24
×
3.5=
28-(3.4+1.25
×
2.4)=
(
31.8+3.2
×
4
)
÷
5=
31.5
×
4
÷
(6+3)=
6