Question

√9/4.(2/3+1/2.3/2)²:[(5/7)°+13/4]²=

Meu resultado foi 375/1372....será????

Answer 1

2/3(2/3+3/4)²/(1+13/4)²=
=2/3{(8+9/12)/(4+13/4)}²=
=2/3{17/12*4/17}²=
=2/3{1/12*4}²=
=2/3{1/3}²=
=2/3*1/9=2/27