Images 2A 2B C A B

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2a 2b c a b. -BC/(a2+b2+c2). Упростите выражение c2 - b2 c2 - 2bc +. A2 b b 2 c c 2 a. (B:B-C - BC:b2-c2):4b2:b2-2bc+c2.
-BC/(a2+b2+c2). Упростите выражение c2 - b2 c2 - 2bc +. A2 b b 2 c c 2 a. (B:B-C - BC:b2-c2):4b2:b2-2bc+c2.

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