四年级上册递等式计算
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85
×
37+37
×
15
56
×
47+79
×
< br>137 38
×(
209-87
÷
29
)
2070
÷
[
(
1804
-
274
)÷
17]
960
÷
16+
15
×
23 50
×
p>
125
×
200
×
8
(
650+350
p>
)÷
125
×
9
2310
÷
[235-160
÷(
p>
13+27
)
]
25
×
32
×
125
78×20-858÷22
75
×
[
(
6
26-185
)÷
9 ]
(
144
+
96
÷
16
)×(
44
-
18
)
60
+
305
×128÷8
821
—21×(
40<
/p>
-
28
)
400÷(100÷25)×4
< br>(
6180
+
1500
)÷(48×5)
720+280÷40
1800÷(127-27)×2
[408
+
(36
-12)×8]÷15
1500
÷[
138
+(
341
-
179<
/p>
)
]
48
×
25
÷
48
×
25 2550
÷
(402
-
377)
208
-
208
÷
13
620
p>
+
2592
÷
36
×
11
(625÷25)×
104 128
×33-
33
×
28
78×20-858÷22
[408
+
(36
-12)×8]÷15
480
÷(
270-250
)
7820
—
22
×(
78
-
59
)
16
00÷(100÷25)×4
27
×
(143
+
67)
p>
+
210
×
73
567
÷
63+15
< br>×
23 (750+250
)÷
125
×
12 125
×
[920
÷(
750
—
727
)
] 2
9
×
[3328
÷
(32
×
105
-
3328)]
204
×
35-846
÷
6
1961+49
×
67-18 356
÷
4
×
(470-36
2
)
864
÷【
p>
(
2193-1457
)÷
23
】
288
÷
24
×
306
2048-567
÷
7
×
5 38
×(
209-87
÷
29
)
2310
÷【
235-160
÷(
p>
18+22
)
】
651
÷
21+102
×
15
(
1408
-45
×
24
)÷
41 3150-9018
÷
18-107
125
×
[920
÷(
750
—
727
)
]
154
÷
14
×
38 250
×
4+1050
÷
25 105-5
×
(4992
÷
48-86)
【
2145-
(
517+388
)
】×<
/p>
24
567÷63+15×23
38
×(
209-87
p>
÷
29
)
<
/p>
(
196+54
)×
(240
-
180)
【
1128-
(
128+500
)
】÷
25
×
2
(346+102
)÷
16
308
×
24+976
(
6180
+
1500
)÷(48×5)
【
(
576
÷
36
)
+14
】×
55
768
÷
32
×
96 672
÷(
341-3
09
)
39
×
27
-
924 5974<
/p>
÷
103+(221-163)
×
18
175
×
24
-
1640 (300
-
20)
÷
14
(
154+166
)×
35 450
÷【
(
393-388
)×(
6+4
)<
/p>
】
(357-249
)×
12
816
÷
16-27
(
123+96
)×
23
(
296-186
)×(
1200-1134
)
4
42
÷(
60-43
)
1592+480
÷
24
14
×
8
×
(
37+16)
(
1850
< br>+
1690
)÷
(47
+
12)
346+405
÷
15
624
÷(
12
×
4
)
684
÷(
p>
63
-
90
÷
p>
15
)
[1178
-
12
×(
84
p>
+
5
)
]
÷
5
1175
÷
p>
47
×
80 27
×
64
-
85
(
374+46
)÷
< br>(180
-
145)
29×[3328÷(32×105-
3328)]
756
÷
36
×
160 958
—58×7÷29 (
p>
984
—
360
÷
15
)×
12 83
9
—[
(
52+16
< br>)×12]
368+32×15—
15 730
—(
697
÷
41+19
3
)
260-450
÷
30
×
4 4900
÷
[(538-258)
÷
< br>40]
35+65
×
40
p>
÷
5 12
×(
153-83
)÷
8 200-
[
(
172-72
)÷
5] 20
×
[(126+364)<
/p>
÷
7]
(45
+
67
)×
12
÷
56 360
÷
[8<
/p>
×(
54-45
)
] 75
×
[840
÷<
/p>
(326-298)]
(540+396)
÷
24+359
800-600
÷
20
18
×(
537-488
)
735
÷
15
p>
×
6
701
×[
560
÷(
35
-
p>
7
)
]
958
—58×7÷29
730
-(
697
÷
< br>41+193
)
(
984
-
360
÷
15
)×
12 83
9
—[
(
52+16
< br>)×12]
368+32×15—
15
(227+26)
÷
11
(
105
×
12
p>
-
635
)÷
25
864
÷[
(
27
-
23
)×12]
459
×(
76
-
50
)
630
< br>-
21
×(
450
÷
15
)
<
/p>
(
725
-
23
5
)÷
14
×
23 1728
÷[
(
47
-
43
)×12]
(
36
×
35
-
635
)÷
< br>25 987
÷(
456
-
409
)×
30
p>
(
725
-
235
)÷
14
×
2
3 64
×[
(
382
+
608
)÷
30