Question

1) a = 8090 и d = 90 ;
2) a = 108347 и d = 6 .

Answer 1

1)а*d=8090*90=728100
2)108347*6=650082

Answer 2

8090+90
8090-90
8090*90
8090/90
108347+6
108347-6
108347/6
108347*6