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Заполните пропуски:
a) (2x + ...)^2 = ... + ... + y^2
b) (3y - ...)^2 = ... - 24y + ...
c) (... + 2m)^2 = 4n^2 + ... + ...
d) (... - ...)^2 = a^2 - ... + 9
Заполните пропуски:
a) (2x + ...)^2 = ... + ... + y^2
b) (3y - ...)^2 = ... - 24y + ...
c) (... + 2m)^2 = 4n^2 + ... + ...
d) (... - ...)^2 = a^2 - ... + 9
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Answers & Comments
б) (3у-4)^2= 9у^2-24у+16
с) (2n+2m)^2= 4n^2+8nm+4m^2
d) (a-3)^2= a^2-6a+9