问题 解答题
解方程.
①60%+
1
3
x=1.2
②16x-6.4x=36
6
5
:6=
(X-1)
5
答案

①60%+

1
3
x=1.2,

0.6+

1
3
x-0.6=1.2-0.6,

1
3
x=0.6,

1
3
x×3=0.6×3,

x=1.8;

②16x-6.4x=36

(16-6.4)x=36,

9.6x=36,

9.6x÷9.6=36÷9.6,

x=3.75;

6
5
:6=
(X-1)
5

6×(x-1)=

6
5
×5,

6×(x-1)÷6=6÷6,

x-1+1=1+1,

x=2.

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