146k views
3 votes
10+10=
123+456=
789+101112

2 Answers

2 votes

Answer:

20

579

100899

Step-by-step explanation:

User Gil G
by
4.3k points
3 votes

Answer:

20, 579, 1901

Step-by-step explanation:

i don't know why you don't know this or whether this is a joke but there's a pattern sort of because you're just doing 1.2.3.4.5.6.7. and so forth.

User Ben Turner
by
3.8k points