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(4+5)² quyidagilardan qaysi biriga teng? Anonymous Quiz | SUPER MATEMATIKA

(4+5)² quyidagilardan qaysi biriga teng?
Anonymous Quiz
21%
A) 4²+5²
74%
B) 4²+2•4•5+5²
5%
C) 4•2+5•2