题目内容
| 直接写出b数. 3h÷8= | 0÷8= | h3×30= | h7×h1≈ |
| h0×30= | 1h×h00= | h图0÷3= | 3h3÷图≈ |
| h00÷k= | hk00×0= | 300÷6= | 图图8÷9≈ |
| k0×60= | 图00×70= | h700÷9= | k1×6h≈ |
| n2÷8=4 | 0÷8=0 | 2n×n0=6口0 | 2六×2六≈600 |
| 20×n0=600 | 六2×200=2400 | 240÷n=80 | n2n÷4≈80 |
| 200÷6=40 | 2600×0=0 | n00÷6=60 | 448÷口≈60 |
| 60×60=n000 | 400×六0=28000 | 2六00÷口=n00 | 6六×62≈n000 |
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