bribriandj bribriandj
  • 13-09-2019
  • Mathematics
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How to solve the questions

How to solve the questions class=

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emilyapac13
emilyapac13 emilyapac13
  • 13-09-2019
I cant solve the last part at the moment but i think 20. 49
21. 81
22. m
23. 49
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