1) 150 - 30 * 4 и (200 – 30) * 4
150 - 30 * 4 = 150 - 120 = 30
(200 – 30) * 4 = 170 * 4 = 680
30 < 680
2) 480 : (4 * 2) и 72: 4 * 2
480 : (4 * 2) = 480 : 8 = 60
72: 4 * 2 = 18 * 2 = 36
60 > 36
3) 480 : 2 * 3 и 480: 3
480 : 2 * 3 = 240 * 3 = 720
480 : 3 = 160
720 > 160
4) 350: 5 * 2 и 350:(4 * 2)
350: 5 * 2 = 70 * 2 = 140
350:(4 * 2) = 350 : 8 = 43,75
140 > 43,75