问题 解答题
(1)15X-30=150
(2)0.6X-35%X=125
(3)32X:
1
5
=480.
答案

根据题意可得:

(1)15X-30=150,

15X-30+30=150+30,

15X=180,

15X÷15=180÷15,

X=12;

(2)0.6X-35%X=125,

0.25X=125,

0.25X÷0.25=125÷0.25,

X=500;

(3)32X:

1
5
=480,

32X÷

1
5
=480,

32X÷

1
5
×
1
5
=480×
1
5

32X=96,

32X÷32=96÷32,

X=3.

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