用你喜欢的方式计算1118-25-152-512-712415-(415-17)58+(45-110)-数学

题目简介

用你喜欢的方式计算1118-25-152-512-712415-(415-17)58+(45-110)-数学

题目详情

用你喜欢的方式计算
11
18
-
2
5
-
1
5
2-
5
12
-
7
12
4
15
-(
4
15
-
1
7
5
8
+(
4
5
-
1
10
题型:解答题难度:中档来源:不详

答案

class="stub"11
18
-class="stub"2
5
-class="stub"1
5

=class="stub"11
18
-(class="stub"2
5
+class="stub"1
5
),
=class="stub"11
18
-class="stub"3
5

=class="stub"55
90
-class="stub"54
90

=class="stub"1
90


②2-class="stub"5
12
-class="stub"7
12

=2-(class="stub"5
12
+class="stub"7
12
),
=2-1,
=1;

class="stub"4
15
-(class="stub"4
15
-class="stub"1
7
),
=class="stub"4
15
-class="stub"4
15
+class="stub"1
7

=class="stub"1
7


class="stub"5
8
+(class="stub"4
5
-class="stub"1
10
),
=class="stub"5
8
+class="stub"7
10

=class="stub"53
40

更多内容推荐