计算.0.375×134+58×1.75(12-38)÷(4÷815)[1-(14+38)]÷14.-数学

题目简介

计算.0.375×134+58×1.75(12-38)÷(4÷815)[1-(14+38)]÷14.-数学

题目详情

计算.
0.375×1
3
4
+
5
8
×1.75
1
2
-
3
8
)÷(4÷
8
15

[1-(
1
4
+
3
8
)]÷
1
4
题型:解答题难度:中档来源:不详

答案

(1)0.375×1class="stub"3
4
+class="stub"5
8
×1.75,
=class="stub"3
8
×1class="stub"3
4
+class="stub"5
8
×1class="stub"3
4

=(class="stub"3
8
+class="stub"5
8
)×1class="stub"3
4

=1class="stub"3
4


(2)(class="stub"1
2
-class="stub"3
8
)÷(4÷class="stub"8
15
),
=class="stub"1
8
÷class="stub"15
2

=class="stub"1
60


(3)[1-(class="stub"1
4
+class="stub"3
8
)]÷class="stub"1
4

=[1-class="stub"5
8
class="stub"1
4

=class="stub"3
8
÷class="stub"1
4

=class="stub"3
2

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