18·9+32·9

75:15-15:5

3· (7·8+52)

(12-4) · (80:1)

24·7:4-4·3

50-18· (64:16)

18*9+32*9=450

75/15-15/5=2

3 * (7*8+52) = 324

(12-4) · (80:1) = 640

24·7:4-4·3=30

50-18· (64:16) = 22

18*9+32*9=450

18*9=162

32*9=288

162+288=450

75/15-15/5=2

75/15=5

15/5=3

5-3=2

3 * (7*8+52) = 324

7*8=56

56+52=108

3*108=324

(12-4) * (80/1) = 640

12-4=8

80/1=80

8*80=640

24*7/4-4*3=30

24*7=168

168/4=42

4*3=12

42-12=30

50 - 18 * (64 / 16) = - 22

64/16=4

18*4=72

50-72=-22