被减数 减数与差的和是100,差与减数的比是1:4.这三个数分别是多少?
[把算式写下来]
人气：202 ℃ 时间：2019-12-29 15:23:41
解答
100除以（1+4+1+4）=10
10乘4=40
100-40-10=50
答：被减数是50,减数是40,差是10.
1
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