FtLuo
幼苗
共回答了15个问题采纳率:66.7% 举报
(1)
3
5 x+
1
5 x=36
4
5 x=36
4
5 x ÷
4
5 =36 ÷
4
5
x=45;
(2)x÷
3
8 =
1
12
x÷
3
8 ×
3
8 =
1
12 ×
3
8
x=
1
32 ;
(3)
5
8 -x=
5
16
5
8 -x+x=
5
16 +x
5
8 -
5
16 =
5
16 +x-
5
16
x=
5
16 ;
(4)37.5%-
3
16 x=
3
8
37.5%-
3
16 x+
3
16 x=
3
8 +
3
16 x
37.5%-
3
8 =
3
8 +
3
16 x-
3
8
0 ÷
3
16 =
3
16 x ÷
3
16
x=0;
(5)x×(
5
6 +
5
8 )=
5
8
x×
35
24 =
5
8
x×
35
24 ÷
35
24 =
5
8 ÷
35
24
x=
3
7 ;
(6)
3
9 x=
5
6
3
9 x ÷
3
9 =
5
6 ÷
3
9
x= 2
1
2 .
1年前
8