计算:(-12)-(-13)+(-14)=______.-数学

题目简介

计算:(-12)-(-13)+(-14)=______.-数学

题目详情

计算:(-
1
2
)-(-
1
3
)+(-
1
4
)
=______.
题型:填空题难度:中档来源:张家界

答案

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

=-class="stub"1
2
+class="stub"1
3
-class="stub"1
4

=-class="stub"6
12
+class="stub"4
12
-class="stub"3
12

=-class="stub"5
12

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