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  • 29-09-2016
  • Mathematics
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30-[(9*2)-(3*4)]

- is subtraction

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Zulyyy Zulyyy
  • 29-09-2016
30-[(9*2)]-(3*4)] first do what's inside the "grouping"
30-(18)-(12) you still do the parentheses so 18-12=6 now you're left with 30-6=24 is your answer.
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