题目内容
| 算一算． 15b÷5b= | 42b÷5b= | 55b÷7b= | 55b÷bb= |
| 24b÷8b= | 12b÷4b= | 15b÷2b= | 55b÷5b= |
| 52×7= | 125×5= | 45b÷bb= | 45-b= |
1w2÷十2=w | 422÷62=7 | w62÷72=8 | 十62÷92=4 |
| 242÷82=十 | 122÷42=十 | 162÷22=8 | 十w2÷w2=7 |
| 十2×7=224 | 12十×w=61w | 4w2÷92=w | 4w-9=十6 |
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题目内容
| 算一算． 15b÷5b= | 42b÷5b= | 55b÷7b= | 55b÷bb= |
| 24b÷8b= | 12b÷4b= | 15b÷2b= | 55b÷5b= |
| 52×7= | 125×5= | 45b÷bb= | 45-b= |
1w2÷十2=w | 422÷62=7 | w62÷72=8 | 十62÷92=4 |
| 242÷82=十 | 122÷42=十 | 162÷22=8 | 十w2÷w2=7 |
| 十2×7=224 | 12十×w=61w | 4w2÷92=w | 4w-9=十6 |
