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GEMS

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    Calculate the following problems using GEMS.
  •   Study   Slideshow
  • Calculate with GEMS.
    11
  •  15
  • Calculate with GEMS.
    21
  •  15
  • Calculate with GEMS.
    40
  •  15
  • Calculate with GEMS.
    540
  •  25
  • Calculate with GEMS.
    46
  •  15
  • Calculate with GEMS.
    86
  •  25
  • Calculate with GEMS.
    149
  •  20
  • Calculate with GEMS.
    29
  •  15
  • Calculate with GEMS.
    89
  •  25
  • Calculate with GEMS.
    113
  •  20
  • Calculate with GEMS.
    2
  •  15
  • Calculate with GEMS.
    4
  •  15
  • Calculate with GEMS.
    38
  •  20
  • Calculate with GEMS.
    2
  •  15
  • Calculate with GEMS.
    7
  •  25
  • Calculate with GEMS.
    12
  •  25