Respuesta :

petahpham
3⋅[(30−8)÷2+2] equals 39
texaschic101
3 [ (30 - 8) / 2 + 2]
3 [ 22/2 + 2]
3 [ 11 + 2]
3 [ 13 ]
39 <==
=================
1/4(1 - 2/3)^2 + 1/3
1/4(1/3^2) + 1/3
1/4(1/9) + 1/3
1/36 + 1/3
1/36 + 12/36
13/36 <==
===============
1/3 (1 - 1/4)^2
1/3 (3/4)^2
1/3(9/16)
9/48 reduces to 3/16