(2,3+5,8)*3 5/7 ------------------ = ? (4,9-2,3):7/9

Question

(2,3+5,8)*3 5/7
------------------ = ?
(4,9-2,3):7/9

Comments

плиз очень надо!!!!

Answer 1

   8.1*26/7      8,1*26      2,6*9         8,1*26*7       
= ------------  =  ---------  :   -------  =    ----------------  =  0,9*10 =9
    2,6:7/9             7           7            7*2,6*9