简算47/9-4.7+146/9-5.3

47/9-4.7+146/9-5.3
=(47/9+146/9)-(4.7+5.3)
=193/9-10
=193/9-90/9
=103/9

47/9-4.7+146/9-5.3
=47/9+146/9-(5.3+4.7)
=(146+47)/9-10
=193/9-10
=10+103/9-10
=103/9

47/9-4.7+146/9-5.3
=（47+146）/9-（4.7+5.3）
你确定没有把题目写错吗？这样算出来除不尽

（47+146）/9-（4.7+5.3）=11.444444444444444444444444444444

47/9-4.7+146/9-5.3
=(47/9+146/9)-(4.7+5.3)
=193/9-10
=193/9-90/9
=103/9