|
|
1-
| ||||||||||||||||
|
0.25÷
|
| ||||||||||||||||
|
1.05×4= | 268÷14×0= | ||||||||||||||||
(
|
306-16= | 5.1+0.09= |
| 3 |
| 5 |
| 1 |
| 3 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 5 |
| 8 |
| 1 |
| 6 |
| 5 |
| 8 |
| 2 |
| 3 |
| 4 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 5 |
| 2 |
| 1 |
| 5 |
| 1 |
| 3 |
| 1 |
| 6 |
解:
|
|
1-
| ||||||||||||||||||||||
|
0.25÷
|
| ||||||||||||||||||||||
|
1.05×4=4.2, | 268÷14×0=0, | ||||||||||||||||||||||
(
|
306-16=290, | 5.1+0.09=5.19. |
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| 3 |
| 8 |
| 2 |
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| 44 |
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