1÷(2÷3)÷(3÷4)÷(4÷5)÷(5÷6)÷(6÷7)÷(7÷8)÷(8÷9)

2024-11-25 06:19:50
推荐回答(4个)
回答1:


回答2:

原式=1÷2X3÷3X4÷4X5÷5X6÷6X7÷7X8÷8X9
=1÷2X3÷3X4÷4X5÷5X6÷6X7÷7X8÷8X9
=1÷2X(3÷3)X(4÷4)X(5÷5)X(6÷6)X(7÷7)X(8÷8)X9
=1÷2X9
=9/2

回答3:

1÷2/3÷3/4÷4/5÷5/6÷6/7÷7/8÷8/9
=1÷(2/3×3/4×4/5×5/6×6/7×7/8×8/9)
=1÷2/9
=9/2
=4.5

回答4:

4.5