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Mathematics, 27.04.2021 19:50 kikilax

Simplifying expressions this is a whole page of questions and i dont remember how to do them pls help if you know any of them
1. 12m + 24m
2. 90a - 30a
3. 14b + 15b + 8
4. 58d + 25 - 22d
5. 3(14 + 15f) + 79
6. 20(18 + 5t) - 47 + 28t​

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