问题 解答题
求未知数x.
(1)4x+0.8x=9.6
(2)x:
5
6
=6:5.
答案

(1)4x+0.8x=9.6,

4.8x=9.6,

4.8x÷4.8=9.6÷4.8,

x=2;

(2)x:

5
6
=6:5,

5x=

5
6
×6,

5x=5,

5x÷5=5÷5,

x=1.

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