Respuesta :
[(21 + 6) − 3^2] ÷ 9 ⋅ 2
= [27 − 3^2] ÷ 9 ⋅ 2
= [27 − 9] ÷ 9 ⋅ 2
= 18 ÷ 9 ⋅ 2
= 2 ⋅ 2
= 4
Hope it helps!
= [27 − 3^2] ÷ 9 ⋅ 2
= [27 − 9] ÷ 9 ⋅ 2
= 18 ÷ 9 ⋅ 2
= 2 ⋅ 2
= 4
Hope it helps!