8.8除以[87+八分之五乘以(3又四分之三-1315)]
1315打错了吧
5又2分之1除以8-4.5乘以12.5%
=5.5x0.125-4.5x0.125
=(5.5-4.5)x0.125
=1x0.125
=0.125
如果本题有什么不明白可以追问,
8.8除以[87+八分之五乘以(3又四分之三-1315)]
1315打错了吧
5又2分之1除以8-4.5乘以12.5%
=5.5x0.125-4.5x0.125
=(5.5-4.5)x0.125
=1x0.125
=0.125
如果本题有什么不明白可以追问,