34×2=34+12=25×15=78×421=12+17-12+17=23-12=8÷23=0×1217=(12+15)×16=12×17÷12×17=-数学

题目简介

34×2=34+12=25×15=78×421=12+17-12+17=23-12=8÷23=0×1217=(12+15)×16=12×17÷12×17=-数学

题目详情

3
4
×2=
3
4
+
1
2
=
2
5
×15=
7
8
×
4
21
=
1
2
+
1
7
-
1
2
+
1
7
=
2
3
-
1
2
=
2
3
=
12
17
=
(12+
1
5
)×
1
6
=
1
2
×
1
7
÷
1
2
×
1
7
=
题型:解答题难度:中档来源:不详

答案

class="stub"3
4
×2=1class="stub"1
2
class="stub"3
4
+class="stub"1
2
=1class="stub"1
4
class="stub"2
5
×15=6 class="stub"7
8
×class="stub"4
21
=class="stub"1
6

class="stub"1
2
+class="stub"1
7
-class="stub"1
2
+class="stub"1
7
=class="stub"2
7
class="stub"2
3
-class="stub"1
2
=class="stub"1
6
class="stub"2
3
=12 0×class="stub"12
17
=0
(12+class="stub"1
5
)×class="stub"1
6
=class="stub"1
30
class="stub"1
2
×class="stub"1
7
÷class="stub"1
2
×class="stub"1
7
=class="stub"1
49

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