45+35-11117+317+217715+415-215518-118+14181-19-292527+527-827.-数学

题目简介

45+35-11117+317+217715+415-215518-118+14181-19-292527+527-827.-数学

题目详情

4
5
+
3
5
-1
11
17
+
3
17
+
2
17
7
15
+
4
15
-
2
15
5
18
-
1
18
+
14
18
1-
1
9
-
2
9
25
27
+
5
27
-
8
27
题型:解答题难度:中档来源:不详

答案

(1)class="stub"4
5
+class="stub"3
5
-
1,
=class="stub"4+3-5
5

=class="stub"2
5


(2)class="stub"11
17
+class="stub"3
17
+class="stub"2
17

=class="stub"11+3+2
17

=class="stub"16
17


(3)class="stub"7
15
+class="stub"4
15
-class="stub"2
15

=class="stub"7+4-2
15

=class="stub"9
15

=class="stub"3
5


(4)class="stub"5
18
-class="stub"1
18
+class="stub"14
18

=class="stub"5-1+14
18

=class="stub"18
18

=1;
(5)1-class="stub"1
9
-class="stub"2
9

=class="stub"9-1-2
9

=class="stub"6
9

=class="stub"2
3


(6)class="stub"25
27
+class="stub"5
27
-class="stub"8
27

=class="stub"25+5-8
27

=class="stub"22
27

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