need help

[NANA]

123+45=(1x10²+2x10+3) + (4x10+5)
=1x10²+ (2x10+4x10) + (3+5)
= 1x10²+(2+4)10+ (3+5)
=1x10² + 6x10+8
= 168

 

[tkhunny]

Okay, that's pretty good. Now try it with 127 instead of 123.