Toán Lớp 8: B1)điền vào chỗ trống:
a)…..-6x+y^2=(……..)^2
b)9x^2+……+1/4=(…………..)^2
c)25x^2-1=(………….)(…………….)
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Toán Lớp 8: B1)điền vào chỗ trống:
a)…..-6x+y^2=(……..)^2
b)9x^2+……+1/4=(…………..)^2
c)25x^2-1=(………….)(…………….)
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