30×12=360, 90×30=2700, 17×3=51, 210÷7=30,
160×4=640, 720+58=778, 765-60=705, 190×2=380,
3000÷6=500, 600×20=12000, 300×60=18000, 150×4=600.
30×12=360, 90×30=2700, 17×3=51, 210÷7=30,
160×4=640, 720+58=778, 765-60=705, 190×2=380,
3000÷6=500, 600×20=12000, 300×60=18000, 150×4=600.