计算:215-(0.75+110).-数学

题目简介

计算:215-(0.75+110).-数学

题目详情

计算:2
1
5
-(0.75+
1
10
)
题型:解答题难度:中档来源:不详

答案

2class="stub"1
5
-(0.75+class="stub"1
10
),
=2class="stub"1
5
-(class="stub"3
4
+class="stub"1
10
),
=2class="stub"1
5
-(class="stub"15
20
+class="stub"2
20
),
=class="stub"44
20
-class="stub"17
20

=class="stub"27
20

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