18=2*3*3
20=2*2*5
它們的最小公倍數(shù)=2*3*3*2*5=180
先把18,在求出它們的最小公倍數(shù)
先把18,在求出它們的最小公倍數(shù)
數(shù)學(xué)人氣:203 ℃時間:2020-03-20 16:35:56
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