Răspuns :
1) x=5/(5·3)=> x=1/3
2)x=6/(2·7)=> x=3/7
3)x=18/(3·10)=> x=6/10=> x=2/5
4) x=10/(3·4) => x=5/6
2)x=6/(2·7)=> x=3/7
3)x=18/(3·10)=> x=6/10=> x=2/5
4) x=10/(3·4) => x=5/6