Nove semplici trucchi di matematica

10 06 2018 0 Comment

Trovata su un canale Pinterest dedicato alla Matematica

Multiplying large numbers in your head

Learning the nine times table

The butterfly method for adding and subtracting fractions

Multiplying by 11 (example: 11×32)

Memorizing Pi

Multiplying by 6, 7, 8, and 9 using only your hands

Finding the percentage of a number

Finding a fraction of a whole number

Converting Celcius to Farenheit and vice versa

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