Math Games Answers 3b

This is the answer to the Math Games problem 3b

The answer is 4.

The top number is added to the bottom left hand number and the bottom right hand number is subtracted.

Triangle one: 5 + 4 - 2 = 7

Triangle two: 6 + 4 - 5 =5

Triangle three: 7 + 6 - 4 = 9

Triangle four: 7 + 5 - 8 = 4

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