题目内容
求χ的值
:12=
:X X-0.15X=8.5 3.6:X=
.
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X=10;
X-0.15X=8.5,
0.85X=8.5,
X=10;
3.6:X=
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2 X=3.6×3,
2 X=10.8,
X=5.4.
故答案为:X=10,X=10,X=5.4.
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