计算:40+2-1-(23)-2=______.-数学

题目简介

计算:40+2-1-(23)-2=______.-数学

题目详情

计算:40+2-1-(
2
3
)
-2=______.
题型:填空题难度:中档来源:不详

答案

原式=1+class="stub"1
2
-class="stub"9
4

=class="stub"3
2
-class="stub"9
4

=class="stub"6
4
-class="stub"9
4

=-class="stub"3
4

故答案为-class="stub"3
4

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