12345678 + 12345678 = 2*12345678 = 12345678/5 *10 = 246,913,578
99876543210
100000 x 123456789 = 12345678900000
1+12+123+1234+12345+123456+1234567+12345678+123456789+12345678910+1234567891011+123456789101112 =124703839845238 All the operations are addition so all the addition can happen in one step.
1.21932631 × 1018
12345678 + 12345678 = 2*12345678 = 12345678/5 *10 = 246,913,578
99876543210
45 x 123456789 = 5555555505
100000 x 123456789 = 12345678900000
123456789 x 16 = 1975308624
2 x 123456789 = 246913578
1.52415788 × 1016
1+12+123+1234+12345+123456+1234567+12345678+123456789+12345678910+1234567891011+123456789101112 =124703839845238 All the operations are addition so all the addition can happen in one step.
370370367
289526540575185
1.21932631 × 1018
123456789 + 123456789 = 246913578