摘要：3÷1000= 0.69+1.1= 300×18= 6+6×4=
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| 1.3-0.8= | 630÷90= | 6-0.37= | 0×100+100= |
| 60×0= | 2.73+0.27= | 0.75+0.3= | 5×9+1= |
| 4.3÷1000= | 0.69+1.1= | 300×18= | 7+7×9= |
| 1.3-0.8= | 630÷90= | 6-0.37= | 0×100+100= |
| 60×0= | 2.73+0.27= | 0.75+0.3= | 5×9+1= |
| 4.3÷1000= | 0.69+1.1= | 300×18= | 7+7×9= |
| 口算． 1.3-0.8= |
630÷90= | 6-0.37= |
| 100+100×0= | 60×0= | 2.73+0.27= |
| 0.75+0.3= | 5×2+3= | 4.3÷1000= |
| 0.69+1.1= | 300×18= | 6+6×4= |
直接写得数
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| 600÷20= | 60×0= | 2.73+0.27= | 0.75+0.3= | 400×6= | 11×800= |
| 28×3= | 50×100= | 4.3÷1000= | 0.69+1.1= | 300×18= | 60×50= |
直接写得数
| 600÷20= | 60×0= | 2.73+0.27= | 0.75+0.3= | 400×6= | 11×800= |
| 28×3= | 50×100= | 4.3÷1000= | 0.69+1.1= | 300×18= | 60×50= |