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What belongs in each mystery box?

Every mystery box holds the same value. Make the two sides balance.

4 × ? + 545Equal values make a level balance.

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MathsAges 13-15Arithmetic
Question 1 of 4
Order of operations

Evaluate 30 + 10 × 12.

Apply multiplication before addition to evaluate multi-step arithmetic expressions accurately.

LHS=RHS
30 · 10 · 12 · Order of operations
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Maths category

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