Images 1 B C C F

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1 b c c f. (A-B)(2a+3b). A*B+3(A+D)-4a. 3b=4c. (3a+b)^2.
(A-B)(2a+3b). A*B+3(A+D)-4a. 3b=4c. (3a+b)^2.

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