Действие в скобках
(3×5+2)/5 + 3/8 = 17/5 + 3/8 = (17×8+3×5)/5×8 = 151/40
Второе действие
(6×4+1)/4 - 151/40 = 25/4 - 151/40 = (25×10-151)/40 = 99/40 или 2 целых 19/40 или 2,475
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Действие в скобках
(3×5+2)/5 + 3/8 = 17/5 + 3/8 = (17×8+3×5)/5×8 = 151/40
Второе действие
(6×4+1)/4 - 151/40 = 25/4 - 151/40 = (25×10-151)/40 = 99/40 или 2 целых 19/40 или 2,475