1.) Evaluate 15 ÷ 3 x 5 - 4²

2.)Evaluate 10 ÷ 2 + 12 ÷ 2 × 3

3.) Evaluate 32 + (8 − 3) × 4

4.)Evaluate 225 ÷ 15 + 14 × 5 – 128 ÷ 16 + 25

5.)Evaluate 13 × 3 – 42 ÷ 6

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