Answer:
72
Step-by-step explanation:
The given expression is
6 [ 4 . (72 - 63) ÷ 3]
Use BODMAS rule
B means bracket
O means of
D means divide
M means multiplication
A means addition
S means subtraction
So,
6 [ 4 . (72 - 63) ÷ 3]
= 6 [ 4 . 9 ÷ 3]
= 6 [ 36 ÷ 3]
= 6 [ 12]
= 72