题目内容
| 直接写数对又快: (1)47.23-(7.23+5.89)= | (2)
| (3)12.5×8.8÷11= | (4)(
| ||||||||||||||||
(5)
| (6)
| (7)99+999+9999+99999= | (8)
|
(1)47.23-(7.23+5.89)=34.11,
(2)
| 11 |
| 10 |
| 1 |
| 4 |
| 3 |
| 4 |
| 1 |
| 10 |
(3)12.5×8.8÷11=10,
(4)(
| 2 |
| 3 |
| 1 |
| 2 |
(5)
| 2 |
| 5 |
| 1 |
| 5 |
| 4 |
| 5 |
| 2 |
| 5 |
(6)
| 5 |
| 9 |
| 5 |
| 9 |
| 1 |
| 9 |
(7)99+999+9999+99999=111096,
(8)
| 3 |
| 8 |
| 1 |
| 4 |
| 5 |
| 8 |
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