直接写出得数12+13=15-16=1-15=3-34=720-1220=2-(14-18)=1-511-611=1113+213-713=-数学

题目简介

直接写出得数12+13=15-16=1-15=3-34=720-1220=2-(14-18)=1-511-611=1113+213-713=-数学

题目详情

直接写出得数
1
2
+
1
3
=
1
5
-
1
6
=
1-
1
5
=
3-
3
4
=
7
20
-
12
20
=
2-(
1
4
-
1
8
)=
1-
5
11
-
6
11
=
11
13
+
2
13
-
7
13
=
题型:解答题难度:中档来源:不详

答案

class="stub"1
2
+class="stub"1
3
=class="stub"5
6
class="stub"1
5
-class="stub"1
6
=class="stub"1
30
1-class="stub"1
5
=class="stub"4
5
3-class="stub"3
4
=2class="stub"1
4
class="stub"7
20
-class="stub"12
20
=-class="stub"1
4
2-(class="stub"1
4
-class="stub"1
8
)=1class="stub"7
8
1-class="stub"5
11
-class="stub"6
11
=0,
class="stub"11
13
+class="stub"2
13
-class="stub"7
13
=class="stub"6
13

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