3,5=35/10=7/2
0,(3)=3/9=1/3
7/3:7/2+1/3=7/3*2/7+1/3=2/3+1/3=3/3=1
Explicație pas cu pas:
2 1 / 3 : 3,5 + 0,(3) =
= 7 / 3 : 3,5 + 3 / 9
= 7 / 3 : 35 / 10 + 3 / 9
= 7 / 3 x 10 / 35 + 3 / 9
= 10 / 15 + 3 / 9
= 90 / 135 + 45 / 135
= 135 / 135
= 1
