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好吧问答库 > 有一个减法算式，被减数，减数，差的和是17.6，减数是差的3倍，则减数是多少

有一个减法算式，被减数，减数，差的和是17.6，减数是差的3倍，则减数是多少

2025年03月13日 22:32

有1个网友回答

网友（1）：

解：已知在一个减法算式里，被减数+减数+差=17.6，减数=差×3，
且被减数-减数=差，
得被减数=减数+差，
则（减数+差）+减数+差=17.6
差×3+差+差×3+差=17.6
差×（3+1+3+1）=17.6
差×8=17.6
差=17.6÷8
差=2.2
减数=差×3=2.2×3=6.6
答：减数是6.6

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