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100 puncte URGENT !!!!!!!!!!!!!!!!!!!!​

100 Puncte URGENT class=

Răspuns :

Răspuns:

[tex] = \frac{1}{4 \times 3} - \frac{1}{9 \times 2} \\ = \frac{1}{12} - \frac{1}{18} \\ = \frac{6 - 4}{72} = \frac{2}{72} = \frac{1}{36} [/tex]

cu placere

2⁰/2²ₓ3 - 3⁰/3²ₓ2 =

= 1/4ₓ3 - 1/9ₓ2

= ³⁾1/12 - ²⁾1/18

= (3 - 2)/36

= 1/36