Question

помогите решить. СРОООООЧНО!!!

Answer 1

5/6:5/12=5/6*12/5=2
2³=8
1-0,8=0,2
8:0,2=40

Answer 2

$\frac{( \frac{5}{6} : \frac{5}{12} )^{3} }{1-0.8} = \frac{( \frac{5}{6} * \frac{12}{5} )^{3} }{0.2} = \frac{2 ^{3} }{0.2} = \frac{8}{0.2} =40$