解方程.(1)9x-3= 3 8 (2)x÷ 5 6 + 1 5 = 4 5 (3)

解方程.(1)9x-3= 3 8 (2)x÷ 5 6 + 1 5 = 4 5 (3) 2 3 x+ 1 6 x= 1 2 .
2025-05-15 20:22:21
推荐回答(1个)
回答1:

(1)9x-3=
3
8

9x-3+3=
3
8
+3,
9x÷9=
27
8
÷9,
x=
3
8


(2)x÷
5
6
+
1
5
=
4
5

5
6
+
1
5
-
1
5
=
4
5
-
1
5

x ÷
5
6
×
5
6
=
3
5
×
5
6

x=
1
2


(3)
2
3
x+
1
6
x=
1
2

5
6
x=
1
2

5
6
x ÷
5
6
=
1
2
÷
5
6

x=
3
5