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What strategies can I use to add or subtract ?
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2 votes
What strategies can I use to add or subtract ?

User Wsfuller
by
7.6k points

2 Answers

3 votes
Add.
It will help alot ok its easy
User Mjgirl
by
8.1k points
3 votes
u can use counters or ur fingers or just model it out with objects

User Andrewjj
by
8.4k points
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