1.两个正整数最小公倍数是144,最大公因数是2,并且两数都不是2,求两正整数.
16 18
2.一个店主以低于售价40%的价格卖了个清洁器,利润是成本的50%,问标价和成本的比例是多少?
设成本为x,1.5x就是实际售价,1.5x除0.6等于2.5x,所以标价与成本的比例为2.5
1.The least common multiple of 2 positive integer's 144.The
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