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Mathematics, 27.05.2021 19:20 luzinaustin

Tina wrote 2 equivalent expressions that could be used to calculate the number of books on her shelves. Which pair of expressions is equivalent? 4+(9+8) and 4−(9−8)

3(9+8) and 9(3+8)

(4×9)×8 and 9×(4×8)

(5+4)+1 and 5(4+1)

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