题目内容
计算下面各题,能简便计算的用简便方法计算。 | ||||||
|
(1)7.4×9.8-14.5 |
(3)13.4+5.62+17.6+4.38 =(13.4+17.6)+(5.62+4.38) =31+10 =41 |
(3)6.73×4.8+5.2×6.73 =6.73×(4.8+5.2) =6.73×10 =67.3 |
(4)8.4÷0.6+8.4÷0.4 =84÷6+84÷4 =14+21 =35 |
(5)(9.6+1.48÷3.7)÷8 =9.6÷8+1.48÷3.7÷8 =1.2+0.05 =1.25 |
(6)5.8÷[4×(1.34﹣0.14)] |
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