SOLUTION: write a number in each number sentence tomake it true. 40-20=50-___

SOLUTION: write a number in each number sentence tomake it true. 40-20=50-___

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Question 287434: write a number in each number sentence tomake it true.
40-20=50-___
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
30
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