能简算就简算 36%÷9/10-0.36×8/9

问题描述:

能简算就简算 36%÷9/10-0.36×8/9
36×25%+0.25×40

36%÷9/10-0.36×8/9
=36%×10/9-0.36×8/9
=0.36×(10/9-8/9)
=0.36×2/9
=0.08
36×25%+0.25×40
=(36+40)÷4
=76÷4
=19x-15%x=42.5追问不回答新问题,请采纳后再提问,谢谢