Israelt2Izzy
Israelt2Izzy Israelt2Izzy
  • 16-09-2015
  • Mathematics
contestada

Explain how using basic facts can help you find 10x20x30x40 mentally

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thorandjoker
thorandjoker thorandjoker
  • 16-09-2015
you can just multiply (for example) 1 times ten then add a zero at the end. please tell me if this helped or not
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