题目内容
| 脱式计算. 35×46-854 | 86×25×4 | (126-78)×75. |
| ①35×46-854, =1610-854, =756; ②86×25×4, =86×(25×4), =86×100, =8600; ③(126-78)×75, =48×75, =3600. |
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题目内容
| 脱式计算. 35×46-854 | 86×25×4 | (126-78)×75. |
| ①35×46-854, =1610-854, =756; ②86×25×4, =86×(25×4), =86×100, =8600; ③(126-78)×75, =48×75, =3600. |