计算(-0.25)-(-314)+2.75-(+712)=______.-数学

题目简介

计算(-0.25)-(-314)+2.75-(+712)=______.-数学

题目详情

计算(-0.25)-(-3
1
4
)+2.75-(+7
1
2
)=______.
题型:填空题难度:中档来源:不详

答案

(-0.25)-(-3class="stub"1
4
)+2.75-(+7class="stub"1
2

=-0.25+3class="stub"1
4
+2.75-7class="stub"1
2

=3+2.75-7class="stub"1
2

=5.75-7class="stub"1
2

=-1.75.

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