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Mathematics
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30-2(7+2)-1=?
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first work out th e bracket: what is (7+2)?
9
it looks simple but my answer doesnt match
ok so now you have the bracket you can write the question as 30- 2(9) -1 so what is 2(9) (it means 2 times 9)
i know
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18
so what is 30-18-1
11
If you have written the question correctly then that is the correct answer
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