问题 解答题
1
8
+
5
8
=
6
7
-
2
7
=
1
3
+
1
12
=
1
2
-
1
3
=
0.32=1-
7
10
=
1
4
+
5
12
=
5
6
+
1
4
=
2
3
-
1
6
=
2x+x=
答案

1
8
+
5
8
=
3
4
6
7
-
2
7
=
4
7
1
3
+
1
12
=
5
12
1
2
-
1
3
=
1
6

0.32=0.09,1-

7
10
=
3
10
1
4
+
5
12
=
2
3
5
6
+
1
4
=1
1
12

2
3
-
1
6
=
1
2
,2x+x=3x.

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