8.8除以[7.8 0.625x(2.75_1.15)]

2025-05-08 19:54:43
推荐回答(1个)
回答1:

8.8÷[7.8 -0.625x(2.75-1.15)]
=8.8÷[7.8 -5/8x1.6]
=8.8÷(7.8-1)
=8.8÷6.8
=8.8/6.8
=88/68
=22/17
=1又5/17
谢谢,请采纳