Subversion Repositories wimsdev

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2071 zjchen 1
!set methtit=交换方程的两边
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!set methparmtype=parm equation
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!set methhelp=此方法把方程 \(a = b) 重写成 \(b = a).
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!if $wims_read_parm iswordof form check
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 !goto $wims_read_parm
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!endif
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!exit
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:form
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 交换以下方程的两边
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 !read deduc/methparm.phtml 1
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!exit
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:check
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 !distribute items $methparmobj1 into data,left,sign,right
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 methexp=交换 \($left $sign $right) 的两边
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 newobject1=$right $sign $left
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 oldobject=1
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 contextlist=$ct_Always,\
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    $ct_Onlywhen两边是正的,\
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    $ct_Onlywhen两边同号
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!exit
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