4²-3×6:√9= tlong jwb utk bsok

4² – 3 × 6 ÷ √9 = n
16 – 3 × 6 ÷ 3 = n
16 – 18 ÷ 3 = n
16 – 6 = n
n = 10

= 4² – 3×6 ÷ √9
= 4² – ( 18 ÷ √3² )
= 16 – ( 18 ÷ 3 )
= 16 – ( 6 )
= 16 – 6
= 10