2 + 2 + 2 + 2 + 2 + 2 + 2 + 10 + 1000000000000
= 2 x 7 + 10 + 1000000000000
= 14 + 10 + 1000000000000
= 24 + 1000000000000
= 1000000000024
Ta co : 2 + 2+ 2 +2+2+2+2 + 10+1000000000000
= 1000000000024
2 + 2 + 2 + 2 + 2 + 2 + 2 + 10 + 1000000000000
= 2 x 7 + 10 + 1000000000000
= 14 + 10 + 1000000000000
= 24 + 1000000000000
= 1000000000024