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Add. Show partial sums. Look for the pattern write last addition problem in the pattern

1) 318+235
320+335
322+435

1 Answer

4 votes

Answer:

Partial sums (top to bottom): 553, 655, 757

Last addition problem: 324+535=859

Explanation:

The pattern is that we are adding 102 each time. For example:

335-235=100

320-318=2

100+2=102

So the next addition problem would be 324+535 which equals 859.

User AlexBalo
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