Question

-3,4+(-1 29+5,07+6 715)-79-(2,53+1 215-3,4)

Answer 1

-3,4-12/9+5,07+6 7/15-7/9-2,53-12/15+3,4=(-12/9-7/9)+(5,07-2,53)+(6 7/15-12/15)= -19/9+2,54-5 10/15=-19/9+2,54-5 6/9 = -19/9+2,54 - 51/9= -70/9+2,54= -7 7/9 + 2 27/50=-5+(-7/9+27/50)=5+(-350/450+243/450)=5+(-107/450)=4 343/450