试题与答案

用竖式计算.418+375=27+685=600-358=907×6=7×360

题型:解答题

题目:

用竖式计算.
418+375=
27+685=600-358=
907×6=7×360=294×3=

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:Kegel exercises are performed by alternately tightening and releasing perineal muscles to strengthen the pubococcygeus muscle and increase its elasticity. The ...

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