Riddle puzzle: 6th grade algebra

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1. 1.Work out (4 + 12)² ÷ 4 − 1.
2. 2.Evaluate 4x² + 6 when x = 7.
3. 3.Simplify 3x + 7x.
4. 4.Which expression means "n divided by 4"?
5. 5.Which expression is equivalent to 3y + 1 + y?
6. 6.Work out 3 + 2 × 3².
7. 7.Which calculation equals 66?
8. 8.Expand 6(a + b).
9. 9.Work out 11 + 3 × 4².
10. 10.Evaluate a² + 3b when a = 8 and b = 3.
11. 11.Simplify 7x + 5y − 5x − 2y.

Decoder · for question 1

The answer to the riddle