问题
解答题
脱式计算.
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答案
30×7=210, | 180÷9=20, | 105×9=945, | 800×6=4800, | 5×900=4500, | 1200×6=7200, |
600÷3=200, | 27×0=0, | 320÷4=80, | 0+32=32, | 99×0+25=25, | 70÷7+10=20, |
脱式计算.
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30×7=210, | 180÷9=20, | 105×9=945, | 800×6=4800, | 5×900=4500, | 1200×6=7200, |
600÷3=200, | 27×0=0, | 320÷4=80, | 0+32=32, | 99×0+25=25, | 70÷7+10=20, |