1) 500 : (7 * 4) = 500 : 4 = 125 : 7 = 125/7 = 17 6/7
2) 240 : (3 * 5) = 240 : 3 = 80 : 5 = 16
3) 32 * (10 * 2) = 32 * 2 = 64 * 10 = 640
4) (25 + 15) : 5 = 25 : 5 + 15 : 5 = 5 + 3 = 8
5) 180 : (90 : 15) = 180 : 6 = 30
1) 500 : (7 * 4) = 500 : 4 = 125 : 7 = 125/7 = 17 6/7
2) 240 : (3 * 5) = 240 : 3 = 80 : 5 = 16
3) 32 * (10 * 2) = 32 * 2 = 64 * 10 = 640
4) (25 + 15) : 5 = 25 : 5 + 15 : 5 = 5 + 3 = 8
5) 180 : (90 : 15) = 180 : 6 = 30