Question

помогите решить 8 5/7+3,15+1 2/7+4,2=и 4,7+2/3+13/5+3,3

Answer 1

6100+2205+900+2940/700=17 7/20

Answer 2

2)8 49/15=11 4/15

Answer 3

(8 5/7+1 2/7)+(3,15+4,2)=10+7,35=17,35; (4,7+3,3)+(2/3+13/5)=8+(10/15+39/15)=8+49/15=8+3 4/15= 11 4/15