part a
if the tempreture is 5 and it drops by 6 what is the tempreture now?
the man £1000 pounds he spends £2000 pounds how much is he in dept?
a man robbed a shop he niked 600 pounds 346.42 was paid to car insurance how much is left?
an army has 300,000,000,000,000 soldiers 100,000,000,000 was sent to Afghanistan 43 was killed how meny is left all together?
part b
5-5=0-1=-1
2000-1000=0=-1000
600-346.42=253.58
300,000,000,000,000-43=299999999999957