(-3)2÷(-134)×0.75×|-213|÷|-3|.-数学

题目简介

(-3)2÷(-134)×0.75×|-213|÷|-3|.-数学

题目详情

(-3)2÷(-1
3
4
)×0.75×|-2
1
3
|÷|-3|
题型:解答题难度:中档来源:不详

答案

原式=9÷(-class="stub"7
4
)×class="stub"3
4
×|-class="stub"7
3
|÷3
=9×(-class="stub"4
7
)×class="stub"3
4
×class="stub"7
3
×class="stub"1
3

=-3.

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