| 脱式计算 | ||||
|
| (1)7.85÷0.25×6.48 =31.4×6.48 =203.472 |
(2)6.7+19.34﹣3.63÷0.6 =6.7+19.34﹣6.05 =26.04﹣6.05 =19.99 |
| (3)0.24×[151﹣(53.2﹣2.2)÷0.51] =0.24×[151﹣51÷0.51] =0.24×[151﹣100] =0.24×(50+1) =0.24×50+0.24×1 =12+0.24 =12.24 |
(4)7.38÷[4.6+1.2×(7.1﹣4.1)] |
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