计算(-200056)+(-199923)+400034+(-112)=______.-数学

题目简介

计算(-200056)+(-199923)+400034+(-112)=______.-数学

题目详情

计算(-2000
5
6
)+(-1999
2
3
)+4000
3
4
+(-1
1
2
)=______.
题型:填空题难度:中档来源:不详

答案

原式=[(-2000)+(-class="stub"5
6
)]+[(-1999)+(-class="stub"2
3
)]+(4000+class="stub"3
4
)+[(-1)+(-class="stub"1
2
)]
=[(-2000)+(-1999)+(-1)+4000]+[(-class="stub"5
6
)+(-class="stub"2
3
)+class="stub"3
4
+(-class="stub"1
2
)]
=0+(-1class="stub"1
4

=-1class="stub"1
4

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