题目内容
5.72-0.68-1.32
256+99×256
+
+
2210÷﹙29+36﹚×35.
256+99×256
| 3 |
| 10 |
| 53 |
| 100 |
| 7 |
| 100 |
2210÷﹙29+36﹚×35.
(1)5.72-0.68-1.32
=5.72-(0.68+1.32),
=5.72-2,
=3.72;
(2)256+99×256
=256×(99+1),
=256×100,
=25600;
(3)
+
+
=
+(+
+
),
=
+
,
=
;
(4)2210÷﹙29+36﹚×35
=2210÷65×35,
=34×35,
=1190.
=5.72-(0.68+1.32),
=5.72-2,
=3.72;
(2)256+99×256
=256×(99+1),
=256×100,
=25600;
(3)
| 1 |
| 10 |
| 53 |
| 100 |
| 7 |
| 100 |
=
| 1 |
| 10 |
| 53 |
| 100 |
| 7 |
| 100 |
=
| 1 |
| 10 |
| 6 |
| 10 |
=
| 7 |
| 10 |
(4)2210÷﹙29+36﹚×35
=2210÷65×35,
=34×35,
=1190.
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