brinalissa
brinalissa brinalissa
  • 22-09-2016
  • Mathematics
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what is 2 x 678 + ( 67+97)- 21

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xCalypso
xCalypso xCalypso
  • 22-09-2016
Use PEMDAS

2 x 678 + ( 67 + 97)  - 21
2 x 678 +      164      -  21
1356     +      164      - 21
1520                         - 21
 _____________________
 1499 :)

-Calypso, 8th, Algebra 1 Honers

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