计算：-22+(tan60°-1)×3+(-12)-2+(-π)0-|2-3|．_爱下问搜题

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问题解答题

计算：-22+(tan60°-1)×

3

+(-

1

2

)-2+(-π)0-|2-

3

|．

答案

原式=-4+（

3

-1）

3

+4+1-2+

3

=-4+3-

3

+3+

3

=2．

选择题

—What do you think made Celia so happy?

—________a prize in the recent competition.

A．As she won

B．Won

C．Winning

D．Because of winning

填空题

一个模块需要涉及另一个模块的内部信息的块间耦合称为【15】耦合。