四年级运算定律与简便计算练习题大全(18)
时间:2025-07-09
时间:2025-07-09
9.42-(1.36+2.42) 5.59—(2.82—3.41) 12.74-+2.26-9.875 2.3×1.5×2
3.5×1.8 5.4÷4.5÷0.2
5341411
×0.75+× ( -)×105 9491521517471212(+)×12+ (20+)× ×1+
7121919101313
7334131313×(+) (32+)÷4 (+)÷ 37287241616111375777(-)÷ ÷+÷ (21+)÷ 27981181153615
12
81÷14+17× 0.575×19+1.9×4.25 9.6—1÷3—
314
58337
12+1+7.625 ×[-(-0.25)] 81099413111112÷[(4-3)÷2] (+)- (+5)+(- )- (+)+(+5) 24222343
1
[2-(11.9-8.4×1)]÷1.3 1.25×4.1+12.5×0.32+0.125×27
3
18
8
77257 1 2 3 1.83 2 15991212
( 0.125)2 3.6 2 2 5.4 7 111345( ) 24 3 3 6.625 6 236899( ) 6 4 45
34
56
45
29
4545451978
49
12.38 3 7.62 1313
33
4.75 4.75 4 4 4.25 25×2×1.25×4×5×8
44
84×0.25+16÷4 14.43 2
(3
219
3 15.57 2121
53475111
1) (1 1) 5 4 3 4 3 1277128545
7575
14 11111111
39.37 14 60.63 14 17
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