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Mathematics, 05.09.2021 17:10 trillred

In the expression (21 – 3) X (7 + 2) = (12 - 4), what operation should you perform last? Why? Please help im too lazy to solve​

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In the expression (21 – 3) X (7 + 2) = (12 - 4), what operation should you perform last? Why? Plea...
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