问题
解答题
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答案
9×500=4500, | 40×8=320, | 200÷4=50, | 630÷9=70, | 38×0×25=0, |
300+240=540, | 300÷6=50, | 17+9=26, | 20-14=6, | 300+200-200=300. |
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9×500=4500, | 40×8=320, | 200÷4=50, | 630÷9=70, | 38×0×25=0, |
300+240=540, | 300÷6=50, | 17+9=26, | 20-14=6, | 300+200-200=300. |