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1. (2+3)+5=2+(3+5)
2. 14 + 9 = 9 + 14
3. 0 ÷ 15 = 15
4. (6 • 12) • 5 = 6 • (12 • 5)
5. 45 (0) = 0
7. (26 + 5) +8= 8+ (26+5)
8. 16 + (-16) = 0
9. 9x (8+5) = (9×8)+(9×5)=
10. 28 × 1 =28​