Question

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

Answer 1

Răspuns:

$= \frac{1}{4 \times 3} - \frac{1}{9 \times 2} \\ = \frac{1}{12} - \frac{1}{18} \\ = \frac{6 - 4}{72} = \frac{2}{72} = \frac{1}{36}$

cu placere

Answer 2

2⁰/2²ₓ3 - 3⁰/3²ₓ2 =

= 1/4ₓ3 - 1/9ₓ2

= ³⁾1/12 - ²⁾1/18

= (3 - 2)/36

= 1/36