Ответ(ы) на вопрос:
1) 7 1/2 - 5/6 = 15/2 - 5/6 = 45/6 - 5/6 = 40/6 = 20/3 = 6 2/32) -3 + 1.6 = -3 + 1 3/5 = -15/5 + 8/5 = -7/5 = -1 2/53) 3*(-2 + x) = 12; -6 + 3x = 12; 3x = 18; x = 6
1) 7 1/2 - 5/6 = 15/2 - 5/6 = 45/6 - 5/6 = 40/6 = 6 4/6 = 6 2/3
2) - 3 + 1,6 = - 1,4
4) - 6 + 3х = 12
3х = 12 + 6
3х = 18
х = 6
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