TheDiam0ndSteak TheDiam0ndSteak
  • 26-07-2017
  • Mathematics
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Need help on mental math

Need help on mental math class=

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tabbydimyan tabbydimyan
  • 26-07-2017
(7x4)x 10 = 280
(7x4)x 100 = 2800
(7x4)x 1000 = 28000
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