1)
a)30000,12345,10000
b)30000-12345-10000=7655
c)30000+10000=40000
d)12345-10000=2345
e)12345+10000=22345
2)98765+9998=108763
3)b=0
2046,2064,4062,4026,6024,6042
4)6042,6024,4062,4026,2064,2046
5)(2875+7432)-(7432-2875)=
10307-4557=5750
6)a+b=7370
7370-4586=2684
2684:2=1324
b=1324
a=1324+4586=5928
