6,29 : 0,85 + (53 - 48,184) : 5,6

6.29:0,87+(53-48,184):5,6=8,261) 53-0,85=4,816  2) 6,29:0,85=7,4 3)4,816:5,6=0,86  4)0,86+7,4=8,26  

7.4+4.816÷5.6=7.4+0.86=8.26