Question

найдите значение выражения -15,64: 3 2/5 +1 7/9*( -1 3/32) - 5,12: 12,8
СРОЧНОО!!!!!!!!!!!!!!!!!!

Answer 1

-15,64 : 3 2/5 + 1 7/9 * (-1 3/32) - 5,12 : 12,8 = -15 64/100 : 3 2/5 + 1 7/9 * (-1 3/32) - 5 12/100 : 12 8/10 = -15 16/25 : 3 2/5 + 1 7/9 * (-1 3/32) - 5 6/50 : 12 4/5 = -391/25 : 17/5 + 16/9 * (-35/32) - 256/50 : 64/5 = -391/25 * 5/17 + 16/9 * (-35/32) - 256/50 * 5/64 = -23/5 + (-35/18) - 4/10 = -23/5 - 35/18 - 4/10 = -(414+175+36)/90 = -625/90 = -6 85/90 = -6 17/18