Question

7.7除以十二分之十一除以五分之十二

Answer 1

7.7除以十二分之十一除以五分之十二
=7.7×12/11×5/12。
=0.7x1x5
=3.5

Answer 2

7.7÷(11/12)÷(12/5)
=(77/10)x(12/11)x(5/12)
=(7/5)x(6/1)x(5/12)
=(7/1)x(1/1)x(1/2)
=7/2
=3.5。