题目内容
脱式计算。 | ||||
|
(1)4.89-2.69+15.4 =2.2+15.4 =17.6 |
(2)2.96÷0.4-1.73 =7.4-1.73 =5.67 |
(3)(4.67+4.93)÷0.8 =9.6÷0.8 =12 |
(4)(12-9.9)×3.2 =2.1×3.2 =6.72 |
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题目内容
脱式计算。 | ||||
|
(1)4.89-2.69+15.4 =2.2+15.4 =17.6 |
(2)2.96÷0.4-1.73 =7.4-1.73 =5.67 |
(3)(4.67+4.93)÷0.8 =9.6÷0.8 =12 |
(4)(12-9.9)×3.2 =2.1×3.2 =6.72 |