a) 2024 + 1118 + 2026 + 1032

………………………………………….

………………………………………….

………………………………………….

b) 5 × 8 × 20

………………………………………….

………………………………………….

………………………………………….

c) 29 × 2 – 9 × 2

………………………………………….

………………………………………….

………………………………………….

d) 17 549 × (60 – 12 × 5)

………………………………………….

………………………………………….

………………………………………….

a) 2 024 + 1 118 + 2 026 + 1 032

= 2 024 + 2 026 + 1 118 + 1 032

= 4 050 + 2 150

= 6 200

b) 5 × 8 × 20

= 5 × 20 × 8

= 100 × 8

= 800

c) 29 × 2 – 9 × 2

= 2 × (29 – 9)

= 2 × 20

= 40

d) 17 549 × (60 – 12 × 5)

= 17 549 × (60 – 60)

= 17 549 × 0

= 0