9 3/4+3/4 = reshite s obyasneniem
9 3/4 + 3/4= 9+( 3/4+3/4)= 9+6/4=9+(4/4+2/4)=9+(1+2/4)=(9+1)+2/4=10 2/4 =10 1/2
9 3/4+3/4=9 6/4=10 2/4=10 1/2
a kak poluchili 10 2/4