Question

Выполните умножение: 1) 11/15*21/22*9/28*8/9​

Answer 1

11/15*21/22*9/28*8/9=(11*21*9*8)/(15*22*28*9)=(11*3*7*3*3*2*2*2)/(3*5*11*2*2*2*7*3*3)=1/5=0.2