Question

13. Solve the following: 1×2=2 I) 12×4 - 2×6+9 18×3 - 3×3×5​

Answer 1

Step-by-step explanation:

rule

multiple all and add or sub

1×2 = 2

12×4 = 48

2×6 = 12

12×4 - 2×6 + 9 = 48-12+9 = 45

18×3 = 54

3×3×5 = 45

18 × 3 - (3×3×5) = 54-45 = 9

(12×4 - 2×6+9) (18×3 - 3×3×5) = 45 9

45+9 = 54

45-9 =36

45×9 = 405

45÷9 =5