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Question
Help Tommy find the missing number in the following expression:
Help Tommy find the missing number in the following expression:
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Solution
The correct option is C 3
The property of addition says that no matter how a set of three or more numbers are grouped together, the sum remains the same.
Here, it is given,
(3 + 6) + 2 = 6 + (2 + ?)
As we know, the sum remains the same.
(3 + 6) + 2 = 11
6 + (2 + ?) = 11
8 + ? = 11
? = 11 – 8
? = 3
We get:
(3 +6) + 2 = 6 + (2 + 3)
The property of addition says that no matter how a set of three or more numbers are grouped together, the sum remains the same.
Here, it is given,
(3 + 6) + 2 = 6 + (2 + ?)
As we know, the sum remains the same.
(3 + 6) + 2 = 11
6 + (2 + ?) = 11
8 + ? = 11
? = 11 – 8
? = 3
We get:
(3 +6) + 2 = 6 + (2 + 3)
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