递等式计算练习(一)
递等式计算,有简便运算的用简便方法。
5×0.3×0.2 5.2×6-10
6.8-0.8×4 0.6×0.5×1.13
12.8-4.8×0.25 7.5+2.5×5.2
4.3×0.25×0.4 7.8×0.-0.36×7.8
0.4×(2.5+25) 9.8-0.6+3.2
8.25+2.4×0.5
20×1.95-1.8
102×0.45
50.8×101-50.8
8×0.9×1.25
2.4+7.6×3.4
14.25×14.6-4.25×14.6 81×1.01
2.139÷9.3×6.2 4.2÷(0.16×20.5)
2.6×1.9÷2.6 2.88÷0.12×7.5
8.5-21.28÷7.6 6.8÷(0.25×6.8)
0.25×1.25×32 0.13×3.+0.13×6.11
102×8.5 6.75÷0.25÷0.4
递等式计算练习(二)
递等式计算,有简便运算的用简便方法。
38.75-(24.5+8.75) 0.4×2.32×0.25
0.75×101 4.2-3.2×0.9
7.56×99+7.56 70.3-17.48÷7.6
3.÷5.2×23.3 21.8÷0.8-1.2×5
45÷(5.25÷0.25) 16.5×101-16.5
0.96÷0.3×14 36.45÷(0.82+3.4×0.2) 1.5×101 13.6×0.85-3.6×0.85
86.4÷6.4-0.4 23×6.5+17×6.5 (24.6-18.1)×3.4 13.6×0.8×12.5 (2.55+9.6÷16)÷0.42 1.25×4×2.5×8
9.07-2.÷0.4
12.6×7.5+8.3
104×8.5
0.25×6.2×0.4
36÷0.4×0.25
7.6×9.9+7.6×0.1
23.9×8.5-3.9×8.5 9.2÷0.25÷4
参
(一)0.3 21.2 3.6 12.4 0.339 9.45 11.6 37.2 20.5 45.9
0.43 5080 2.184 9 11 28.24 146 81.81 1.426 1.3 1.9 180
5.7 4 10 1.3 867 67.5
(二)5.5 0.232 75.75 1.32 756 100 24.3 2.47 151.5 102.8 8.5 76 136 17 7.5 9.2
68 16.31 884 13.1 21.25 2.14 1650 44.8 0.62 260 22.5 22.1
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