200-(80-35)•2 200-80-35•2 446-(46+4•8) 540-(90-30: 6)

200 - (80 - 35) * 2 = 110

1) 80 - 35 = 45

2) 45 * 2 = 90

3) 200 - 90 = 110

200 - 80 - 35 * 2 = 50

1) 35 * 2 = 70

2) 200 - 80 = 120

3) 120 - 70 = 50

446 - (46 + 4 * 8) = 368

1) 4 * 8 = 32

2) 46 + 32 = 78

3) 446 - 78 = 368

540 - (90 - 30 : 6) = 455

1) 30 : 6 = 5

2) 90 - 5 = 85

3) 540 - 85 = 455