用你喜欢的方法计算:(12-38)÷342-815×14611×(59+23)(45-23)×152(12+45)×20101×27-27.-数学

题目简介

用你喜欢的方法计算:(12-38)÷342-815×14611×(59+23)(45-23)×152(12+45)×20101×27-27.-数学

题目详情

用你喜欢的方法计算:
1
2
-
3
8
)÷
3
4
2-
8
15
×
1
4
6
11
×(
5
9
+
2
3
4
5
-
2
3
)×
15
2
1
2
+
4
5
)×20
101×
2
7
-
2
7
题型:解答题难度:中档来源:不详

答案

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

=(class="stub"4
8
-class="stub"3
8
)÷class="stub"3
4

=class="stub"1
8
×class="stub"4
3

=class="stub"1
6


(2)2-class="stub"8
15
×class="stub"1
4

=2-class="stub"2
15

=1class="stub"13
15


(3)class="stub"6
11
×(class="stub"5
9
+class="stub"2
3
),
=class="stub"6
11
×(class="stub"5
9
+class="stub"6
9
),
=class="stub"6
11
×class="stub"11
9

=class="stub"2
3


(4)(class="stub"4
5
-class="stub"2
3
)×class="stub"15
2

=class="stub"4
5
×class="stub"15
2
-class="stub"2
3
×class="stub"15
2

=6-5,
=1;

(5)(class="stub"1
2
+class="stub"4
5
)×20,
=class="stub"1
2
×20+class="stub"4
5
×20,
=10+16,
=26;

(6)101×class="stub"2
7
-class="stub"2
7

=(101-1)×class="stub"2
7

=100×class="stub"2
7

=28class="stub"4
7

更多内容推荐