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Mathematics, 23.08.2021 17:50 Dweath50

Rút gọn và tính giá trị biểu thức:
=5(−4)−4(−5) ạ =−15;= −12

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Rút gọn và tính giá trị biểu thức:
=5(−4)−4(−5) ạ =−15;= −12...
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