(1+1 цел1/2×2/5)÷(2/5×1/3×2/3)=

Question

(1+1 цел1/2×2/5)÷(2/5×1/3×2/3)=

Answer 1

189/40 Ответ ТАМ ВСЕ ИЗИ 

Answer 2

(1+1 1/2*2/5):(2/5*1/3*2/3)=18
1 1/2*2/5=3/2*2/5=3/5
1+3/5=1 3/5
2/5*1/3*2/3=4/45
1 3/5:4/45=8/5*45/4=18