题目内容
| 直接写数对又快! 89+33= |
| 1.87+5.3= | 33÷
|
| ||||||||
| 4.9×8.1≈ | 23.9÷8≈ | 2.5×0.4= | 1-0.92= | 707-699= |
| 89+33=122, |
| 1.87+5.3=7.17, | 33÷
|
| ||||||||||
| 4.9×8.1≈40, | 23.9÷8≈3, | 2.5×0.4=1, | 1-0.92=0.08, | 707-699=8. |
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题目内容
| 直接写数对又快! 89+33= |
| 1.87+5.3= | 33÷
|
| ||||||||
| 4.9×8.1≈ | 23.9÷8≈ | 2.5×0.4= | 1-0.92= | 707-699= |
| 89+33=122, |
| 1.87+5.3=7.17, | 33÷
|
| ||||||||||
| 4.9×8.1≈40, | 23.9÷8≈3, | 2.5×0.4=1, | 1-0.92=0.08, | 707-699=8. |