5÷23-215×1144138+2512-216.-数学

题目简介

5÷23-215×1144138+2512-216.-数学

题目详情

2
3
-2
1
5
×1
1
44
1
3
8
+2
5
12
-2
1
6
题型:解答题难度:中档来源:不详

答案

5÷class="stub"2
3
-2class="stub"1
5
×1class="stub"1
44
1class="stub"3
8
+2class="stub"5
12
-2class="stub"1
6

=
5×class="stub"3
2
-class="stub"11
5
×class="stub"45
44
class="stub"11
8
+(2class="stub"5
12
-2class="stub"1
6
)

=
7class="stub"1
2
-2class="stub"1
4
class="stub"11
8
+class="stub"1
4

=class="stub"21
4
×class="stub"8
13

=class="stub"42
13

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