-3_6/25+(-1/4):(-0,02)-4,76
-3 6/25+(-1/4):(-0,02)-4,76 = 1) (-1/4):(-0,02) = (-1/4):(-2/100) = (-1/4)*(-100/2) = 25/2 2) -3 6/25 + 25/2 = -3 12/50 + 625/50 = -3 637/50. 3) -3 637/50 - 4 76/100 = -3 1274/100 - 4 76/100 = -7 1350/100 = -7 27/2 = -41/2 = -20,5. Ответ: -20,5.