问题 解答题
解方程.
1
3
ⅹ=6
4
5
ⅹ=
16
15
ⅹ÷
11
8
=
16
33
7
10
x=
4
3
1.5x=2.25
5
8
=
10
17
答案

(1)

1
3
ⅹ=6,

1
3
÷
1
3
=6÷
1
3

x=18;

(2)

4
5
ⅹ=
16
15

4
5
÷
4
5
=
16
15
÷
4
5

x=1

1
3

(3)ⅹ÷

11
8
=
16
33

ⅹ÷

11
8
×
11
8
=
16
33
×
11
8

x=

2
3

(4)

7
10
x=
4
3

7
10
x÷
7
10
=
4
3
÷
7
10

x=1

19
21

(5)1.5x=2.25,

1.5x÷1.5=2.25÷1.5,

x=1.5;

(6)x÷

5
8
=
10
17

5
8
×
5
8
=
10
17
×
5
8

x=

25
68

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