1) (3m+6m) / 9 = 1/3m + 2/3m = m
в первом случае m = -12
во втором - m = -5,96
2) (5,2a - 5,2b) / 5,2 = a - b
-27 - (-3,64) = -27 + 3,64 = -23,36
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Answers & Comments
1) (3m+6m) / 9 = 1/3m + 2/3m = m
в первом случае m = -12
во втором - m = -5,96
2) (5,2a - 5,2b) / 5,2 = a - b
-27 - (-3,64) = -27 + 3,64 = -23,36