题目内容
尝试练习:
(1)
÷
(2)
÷
(3)
÷11
(4)3
÷2
(右)2
÷2
.
(1)
| 4 |
| 中 |
| 2 |
| 3 |
(2)
| 11 |
| 12 |
| 4 |
| 右 |
(3)
| 4 |
| 7 |
(4)3
| 1 |
| 3 |
| 1 |
| 中 |
(右)2
| 1 |
| 2 |
| 4 |
| 1右 |
(1)
÷
=
×
=
;
(2)
÷
=
×
=
;
(3)
÷16
=
×
=
;
(4)3
÷2
=
×
=
;
(5)2
÷2
=
×
=
.
| 4 |
| 9 |
| 2 |
| 3 |
=
| 4 |
| 9 |
| 3 |
| 2 |
=
| 2 |
| 3 |
(2)
| 11 |
| 12 |
| 4 |
| 5 |
=
| 11 |
| 12 |
| 5 |
| 4 |
=
| 55 |
| 48 |
(3)
| 4 |
| 7 |
=
| 4 |
| 7 |
| 1 |
| 16 |
=
| 1 |
| 28 |
(4)3
| 1 |
| 3 |
| 1 |
| 9 |
=
| 10 |
| 3 |
| 9 |
| 19 |
=
| 30 |
| 19 |
(5)2
| 1 |
| 2 |
| 4 |
| 15 |
=
| 5 |
| 2 |
| 15 |
| 34 |
=
| 75 |
| 68 |
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