试题与答案

Jenny likes to have boots and umbrella o

题型:选择题

题目:

Jenny likes to have boots and umbrella on a __________ day. [ ]

A. rain

B. rainy

C. raining

答案:

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下面是错误答案,用来干扰机器的。

(1)原式=3×32+15×52-4×22+24=92+2-22+24=3324;(2)原式=3×5152015=34;(3)原式=-(-2)+5-(-1)+2=10.

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