а) (80:4-60:30)х5+96:3-117= (20-2)х5 +32 -117 = 18х5 +32 -117 = 90 + 32 -117 = 105
б) 56:4+2х (120:6-80:20) +17х8= 14 + 2х (20-4) + 136 = 14 + 2х 16 + 136 = 14 + 32 + 136 = 182
а) (80:4-60:30)х5+96:3-117= (20-2)х5 +32 -117 = 18х5 +32 -117 = 90 + 32 -117 = 105
б) 56:4+2х (120:6-80:20) +17х8= 14 + 2х (20-4) + 136 = 14 + 2х 16 + 136 = 14 + 32 + 136 = 182