2345 x 12345 = 28949025
9690
They are: 12343+2 = 12345
There are only five combinations: 1234, 1235, 1245, 1345 and 2345.
2379
267 234 2665 143 12345 2345 562 5647 345673 735673 3567 36573 356735 3567
Easy- use a calculator- 100+12345+678=13123
Since the order of the digits does not matter there are only five combinations: 1234, 1235, 1245, 1345 and 2345.
Really you don't know how to add that its 2922
1234
2345 + 2345 = 4690
It is so easy using a calculator: 13123