题目内容
脱式计算
| 145×4+276 | 416×(701-692) | 109×4÷6 | 1-
|
145×4+276,
=580+276,
=856;
416×(701-692),
=416×9,
=3744;
109×4÷6,
=436÷6,
=72
;
1-
-
,
=1-(
+
),
=1-1,
=0.
=580+276,
=856;
416×(701-692),
=416×9,
=3744;
109×4÷6,
=436÷6,
=72
| 2 |
| 3 |
1-
| 5 |
| 7 |
| 2 |
| 7 |
=1-(
| 5 |
| 7 |
| 2 |
| 7 |
=1-1,
=0.
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