题目内容
| 计算,能简算的要简算。 | ||||
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(1)1÷4÷8÷0.25÷12.5 |
(2)9.75﹣5.42﹣(0.25+2.58) =9.75﹣5.42﹣0.25﹣2.58 =(9.75﹣0.25)﹣(5.42+2.58) =9.5﹣8 =1.5 |
| (3)8 =8.6×2.7+6.2×1.4+3.5×8.6 =(2.7+3.5)×8.6+6.2×1.4 =6.2×8.6+6.2×1.4 =6.2×(8.6+1.4) =6.2×10 =62 |
(4)[ =[ =[ =[ =102.2÷102.2 =1 |
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