题目内容
| 脱式计算,能简算的要简算。 | |||
|
| (1)8.6+3.65+1.4+6.3 =10+10 =220 |
(2)0.46×8.2-0.46×7.2 =0.46×(8.2-7.2) =0.46 |
(3)19.2÷(22-21.7) =19.2÷0.3 =64 |
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题目内容
| 脱式计算,能简算的要简算。 | |||
|
| (1)8.6+3.65+1.4+6.3 =10+10 =220 |
(2)0.46×8.2-0.46×7.2 =0.46×(8.2-7.2) =0.46 |
(3)19.2÷(22-21.7) =19.2÷0.3 =64 |