Question

八分之五减二分之一的差除以九分之四乘十二分之五？

Answer 1

解：（5/8-1/2）÷4/9×5/12
=1/腊腔8÷4/9×5/12
=1/8×9/慎明4×5/12
=15/轮孝衫128

Answer 2

(5/8–咐昌1/2)÷4/友正9×5/12
=(5/8–4/8)×9/4×5/衡告扒12
=1/8×9/4×5/12
=15/64

Answer 3

(5/8－1/稿洞2)÷4/9×5/12
=(5/8－4/8)×9/键巧枯4×5/12
=1/宽御8×9/4×5/12
=9/32×5/12
=15/128

Answer 4

根据题意厅空毁列式亏悔
（5/8-1/扮备2）÷4/9×5/12
=1/8×9/4×5/12
=15/128

Answer 5

（5／8一1／2）÷4／9×5／12
＝（5／激坦8－4／8）运老×9／4×5／12
＝1／8×9／4×5／12
＝（旁铅升1×9×5）／8x4×12
＝（3×5）／（8×4×4）
＝15／128