分数方程练习题Word格式文档下载.doc
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1/4+10X=X–3/20X=68
X+X=1215X-3×
=X÷
=12
6X+5/7-3/7=83-X=:
3/4
X:
=÷
X=2X+6×
=4X
:
X=X=:
=X:
X:
=:
3/2×
32-4x=29x=4-x
X-21×
=4
6X+5=13.4X-X=4χ-6=38
5X=:
X=X÷
=
X÷
=12=:
XX=×
:
=X:
X-0.25==3/10
4+0.7X=102X+X=42X=105-X
X-X=400X-0.125X=8=
X+X=18X×
(+)=x-0.375x=
x×
+=4×
X-X=12 5X-2.4×
5=8
0.36×
5-x=(x-4.5)=7x-25%x=10
x-0.8x=16+620x–8.5=1.5x-x-4=21
X+1/4X=90X-X=7/12:
X=5/8:
6/7
X+X=1215X-3×
=X÷