Which expression is equivalent to the given equation?
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Which expression is equivalent to the given equation?
To solve this problem, we need to determine which expression is equivalent to . The sum equals . We will rewrite as the sum of two numbers that add to 5, matching one of the provided choices.
Let's decompose in potential ways: . Now let's rewrite the equation using this decomposition:
This step has shown that equals , the same result as .
Therefore, the expression equivalent to is , corresponding to choice 2.
If we have 67 blocks in total, how many blocks will remain if we remove 5 tens and 4 ones?
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