试题与答案

两个数相加,一个加数增加7,要使和增加10,另一个加数该怎么变 A.增加 B.减少

题型:单项选择题

题目:

两个数相加,一个加数增加7,要使和增加10,另一个加数该怎么变

A.增加

B.减少

C.不增加

D.不减少

答案:

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