1) -7=-7/1=-21/3
0=0/1=0/3
9=9/1=27/3
12=12/1=36/3
100=100/1=300/3
2) -3,2=-3 2/10 (-32/10)=-3200/1000
-0,8=-8/10=-800/1000
4,5=4 5/10 (45/10)=4500/1000
83,5=83 5/10 (835/10)=83500/1000
1) -7=-7/1=-21/3
0=0/1=0/3
9=9/1=27/3
12=12/1=36/3
100=100/1=300/3
2) -3,2=-3 2/10 (-32/10)=-3200/1000
-0,8=-8/10=-800/1000
4,5=4 5/10 (45/10)=4500/1000
83,5=83 5/10 (835/10)=83500/1000