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Le 4 operazioni - Coggle Diagram

- - - - a+b=b+a
    - - a+b+c= (a+b)+c= a+(b+c)
- - - - Es: 24: 8= (24:4) : (8:4)
      - Es: 24: 8= (24 x 2) : (8 x2 )
    - - (a +b): c= (a:c) + (b:c)
      - (a -b): c= (a:c) - (b:c)
- - - - Es: 57-37=(57+3)-(37+3)
      - Es: 57-37= (57-7)-(37-7)
- - - - a x b=b x a
    - - a x b x c= (a x b) x c = a x (b x c)
    - - (a+b) x c= (a x c) + (b x c)
      - (a-b) x c= (a x c) - (b x c)