题目内容
| 脱式计算。 | |||
|
| (1)710-18×4 =710-72 =638 |
(2)3.68-0.82-0.18 =3.68-(0.82+0.18) =3.68-1 =2.68 |
(3)135×(1+ =135+15 =150 |
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题目内容
| 脱式计算。 | |||
|
| (1)710-18×4 =710-72 =638 |
(2)3.68-0.82-0.18 =3.68-(0.82+0.18) =3.68-1 =2.68 |
(3)135×(1+ =135+15 =150 |