问题 解答题
直接写出得数.
4x+6x=
10-
3
4
-
1
4
=
1-
2
3
=
1
3
-
1
4
=
7
8
+
1
2
=
1
4
+
1
3
=
4
5
-
2
3
=
x+3x+7x=
7
9
+
4
9
=
1-
1
2
-
1
3
=
3
10
-
1
5
=
2
3
+
1
5
=
答案

4x+6x=10x,10-
3
4
-
1
4
=9,
1-
2
3
=
1
3
1
3
-
1
4
=
1
12
7
8
+
1
2
=
11
8
1
4
+
1
3
=
7
12
4
5
-
2
3
=
2
15
x+3x+7x=11x,
7
9
+
4
9
=
11
9
1-
1
2
-
1
3
=
1
6
3
10
-
1
5
=
1
10
2
3
+
1
5
=
13
15
故答案为:10x,9,
1
3
1
12
11
8
7
12
2
15
,11x,
11
9
1
6
1
10
13
15

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