Математика 5 класс ПОМОГИТЕ!!!!!!!
(3 1/4 +1 1/6 :1 5/9) : 2 2/7 + 5 1/9 : 7 2/3 =?????????

1 1/6:1 5/9=7/6:14/9=7/6*9/14=3/43 1/4+3/4=44:2 2/7=4:16/7=4*7/16=7/45 1/9:7 2/3=46/9:23/3=46/9*3/23=2/37/4+2/3=21/12+8/12=29/12=2 5/12