试题与答案

一个数减去6.9的差,加上9.6,和是13.5,这个数是多少A.11.8 B.12.

题型:单项选择题

题目:

一个数减去6.9的差,加上9.6,和是13.5,这个数是多少

A.11.8

B.12.7

C.10.8

D.10.7

答案:

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