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4 votes
How can you use subtraction to complete an addition patern?

2 Answers

3 votes
add two numbers then check it to see if you get one of the numbers you added by
User Jon Senchyna
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5 votes
Subtract to find the difference between the numbers.

Example: Since 46-39=7 and 39-32=7, so the rule is to add 7.
User Joey Wilhelm
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