a+(5a-3b)-(a-2d)化简

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a+(5a-3b)-(a-2d)化简
x)K0M5NH5J|3"}\Rv6x&jtRll F 1i`'

a+(5a-3b)-(a-2d)化简
a+(5a-3b)-(a-2d)化简

a+(5a-3b)-(a-2d)化简
=a+5a-3b-a+2d =5a-3b+2d