Question

Aratati ca (1- 2supra3 +3supra4- 4supra5):17supra60=1

Answer 1

Răspuns:

Explicație pas cu pas:

3=3

4=2^2

5=5

__________

cmmmc=3x2^2x5=12x5=60

$\displaystyle (^{(60}1-^{(20}\frac{2}{3} +^{(15}\frac{3}{4} -^{(12}\frac{4}{5} ):\frac{17}{60} =(\frac{60}{60} -\frac{40}{60} +\frac{45}{60} -\frac{48}{60} ):\frac{17}{60} =\frac{17}{60} \times \frac{60}{17} =1$