四年级下册简便运?/p>
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60
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66+255+134 282+141+159 135+67+133+265
5+54+146+195+63 387+99 636-154-246
737-150-237 37+156-37+144 25
×
6
×
4
726-(95+326) 27.3+73.2+72.7 144-37+156-163
37
×
8
×
125 24
×
25 125
×
32
25
×
32
×
125 99
×
26 54
×
13+13
×
10+13
×
45
47
×
12+12
×
53 (25+40)
×
40 16
×
31-16
×
21
42.5-22.17-7.83 585+189+215 24.8+14.6+15.4
99
×
15+15 15
×
102 17
×
54+17
×
45+17
2500
÷
4
÷
25 490
÷
14 240
×
9
÷
24
101
×
15-101 420
÷
35 5.85-1.75-0.25
25
×
78
×
4 16
×
25
×
125 24
×
199 + 24
768-274-126 5.85+1.89+2.15 58
×
101-58
3000
÷
25
÷
4 8.35-(2.7+3.35) 88
×
125
99
×
38+38 528
×
78+472
×
78 85
×
102
25
×
79
×
4 25
×
3.5
×
4 999+99+9+3
66+375+34 173-(44+73) 63
×
1
73-63
×
73
2.5
×
11
×
4 57
×
101-57 102
×
0.45
3.8+1.37+6.2+12.63 1.29+3.7+0.71+6.3
74.5-12.37-5.63 9.14-1.43-4.57
1.3
×
2.8+0.7
×
2.8 186
×
13+13
×
14