解1由2a-b+1=0
兩邊×3
即6a-3b+3=0
2由代數(shù)式(x-y)^2 除以 xy 的值為0
即x=y≠0
即x-y=0,x/y=1
即(x-y)^5+(x除以y)^2
=(0)^5+(1)^2
=1
(1)已知2a-b+1=0,則6a-3b+3=________.
(1)已知2a-b+1=0,則6a-3b+3=________.
(2)代數(shù)式(x-y)^2 除以 xy 的值為0.求(x-y)^5+(x除以y)^2的值.(要算式)
(2)代數(shù)式(x-y)^2 除以 xy 的值為0.求(x-y)^5+(x除以y)^2的值.(要算式)
數(shù)學(xué)人氣:889 ℃時(shí)間:2020-07-21 13:52:06
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