计算下面各题.(能简算的要用简便方法算)60×(25+34-12)1-[16+(34-712)]58×1110+38÷1011.-六年级数学

题目简介

计算下面各题.(能简算的要用简便方法算)60×(25+34-12)1-[16+(34-712)]58×1110+38÷1011.-六年级数学

题目详情

计算下面各题.(能简算的要用简便方法算)
60×(
2
5
+
3
4
-
1
2

1-[
1
6
+(
3
4
-
7
12
)]
5
8
×
11
10
+
3
8
÷
10
11
题型:解答题难度:中档来源:不详

答案

(1)60×(class="stub"2
5
+class="stub"3
4
-class="stub"1
2

=60×class="stub"2
5
+60×class="stub"3
4
-60×class="stub"1
2

=24+45-30
=39

(2)1-[class="stub"1
6
+(class="stub"3
4
-class="stub"7
12
)]
=1-[class="stub"1
6
+class="stub"1
6
]
=1-class="stub"1
3

=class="stub"2
3


(3)class="stub"5
8
×class="stub"11
10
+class="stub"3
8
÷class="stub"10
11

=class="stub"5
8
×class="stub"11
10
+class="stub"3
8
×class="stub"11
10

=(class="stub"5
8
+class="stub"3
8
)×class="stub"11
10

=1×class="stub"11
10

=class="stub"11
10

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