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2014-10-25T16:58:26+03:00
Ab +ac = a * (B+c) = 88
2a+3b+3c = 22 + 24 = 46
2014-10-25T16:59:15+03:00
1) ab+ac =a x (b+c)= 11x8 = 88
2) 2a + 3b + 3c = 2x11 + 3 x (b+c)= 22+ 3x8=22 + 24=46
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