a)707×2=1414
1414+22=1436
b)800×3=2400
2400-552=1848
c)135+165=300
300×4=1200
d)99×100×101=999.900
e)134.789.935×3=404.369.805
134.789.935×2=269.579.870
404.369.805-269.579.870=134.789.935
Sper ca te-am ajuta!
