12345 + 6789 = 19134
12345
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.
823x15=12345
Wok it out on a pice of paper! The answer is, 152,399,025
12345 + 6789 = 19134
12345 + 54321 = 66,666
12345 + 2 = 12347
12345
90000019888
It is: 5,691,255
47,489,141
-12434466901224
12777
it equals 13,345
999 + 12,345 is 13,344.
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