内容正文:
第
"
课时
!
分子!分母为多项式的分式的乘除运算
基础夯实逐点练
知识点
!
分子$分母为多项式的分式的乘除运算
!!,
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"解析#
5
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#
3
出现错误是在乙和丁
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故选
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&",
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#
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解!!
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解!原式
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因为
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#所以
,.(*!
代入原式
可得原式
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能力提升综合练
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解!!
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解!根据题意#知
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原式
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解!(
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当
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时#原式
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解!($)
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当
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#
).&*
时#原式
.
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!
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(
)/(/
!
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.&
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!
"!!
解!原式
.
%(&()
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($()
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(&()
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.
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($()
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5
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2
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3
原式
.
*2'&4'
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解!!
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"根据题意#得凤梨的单价为
%'2
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(
元#西瓜
的单价为
%'2
,
(
&'
元
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"根据题意#得凤梨的单价是西瓜单价的倍数为
%'2
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6
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