34×(2.5-14)+512÷0.25.-六年级数学

题目简介

34×(2.5-14)+512÷0.25.-六年级数学

题目详情

3
4
×(2.5-
1
4
)+
5
12
÷0.25
题型:解答题难度:中档来源:不详

答案

class="stub"3
4
×(2.5-class="stub"1
4
)+class="stub"5
12
÷0.25

=class="stub"3
4
×(class="stub"10
4
-class="stub"1
4
)+class="stub"5
12
÷class="stub"1
4

=class="stub"3
4
×class="stub"9
4
+class="stub"5
12
×4

=class="stub"27
16
+class="stub"5
3

=class="stub"81
48
+class="stub"80
48

=class="stub"161
48

=3class="stub"17
48

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