badbunnysusboy
badbunnysusboy badbunnysusboy
  • 17-02-2024
  • Mathematics
contestada

how do I do the mentally method on
10 x 20 x 30 x 40 ? ​

Respuesta :

mxfj8h828y mxfj8h828y
  • 17-02-2024
Drop the 0 and add the 4+3+2+1=10, add your extra 0 and you have 100!
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