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灵活计算,能用简便方法的要简算.10.1×85125×9.3×0.0843.72×7.9+2.1×43.2793÷0.25÷42.3+3.91÷(22-19.7)7.92×6-18.45÷36.78+6.78×9918-(1.4+1.25×2.4)0.8×[13-(3.12+5.28)].

题目详情
灵活计算,能用简便方法的要简算.
10.1×85
125×9.3×0.08
43.72×7.9+2.1×43.27
93÷0.25÷4
2.3+3.91÷(22-19.7)
7.92×6-18.45÷3
6.78+6.78×99
18-(1.4+1.25×2.4)
0.8×[13-(3.12+5.28)].
▼优质解答
答案和解析
(1)10.1×85,=(10+0.1)×85,=850+8.5,=858.5;(2)125×9.3×0.08,=125×0.08×9.3,=10×9.3,=93;(3)43.72×7.9+2.1×43.27,=43.72×(7.9+2.1),=43.72×10,=437.2;(4)93÷0.25÷4,=93÷...