Question

[2,5+0,1(6)+0,(3)]×$(1- \frac{1}{3} ) ^{2}$

Answer 1

[2,5+0,1(6)+0,(3)]×(1-1/3)²=[15/10+15/90+3/9]×(1-1/3)²=[3/2+1/18+1/3]×(1-1/3)²=[27/18+1/18+6/18]×(3/3-1/3)²=34/18×(2/3)²=17/9x4/9=68/91