计算:[35+25×(1-38)]×20=______.-数学

题目简介

计算:[35+25×(1-38)]×20=______.-数学

题目详情

计算:[
3
5
+
2
5
×(1-
3
8
)]×20
=______.
题型:填空题难度:中档来源:不详

答案

[class="stub"3
5
+class="stub"2
5
×(1-class="stub"3
8
)]×20

=[class="stub"3
5
+class="stub"2
5
×class="stub"5
8
]×20,
=[class="stub"3
5
+class="stub"1
4
]×20,
=class="stub"3
5
×20+class="stub"1
4
×20,
=12+5,
=17.
故答案为:17.

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