a) x:7=5 (rest 4)
5×7+4=35+4=39
x:9=4 (rest 6)
4×9+6=36+6=42
x:10=13 (rest 9)
13×10+9=130+9=139
b) a:8=19 (rest 4)
19×8+4=152+4=156
a:6=26 (rest 4)
26×6+4=156+4=160
a:5=0 (rest 3)
0×5+3=0+3=3
sper ca te-am ajutat!
