Question

Calculează 3+1supra4+2supra 5

Answer 1

$\it 3+\dfrac{^{5)}1}{\ \ 4}+\dfrac{^{4)}2}{\ 5}=3+\dfrac{13}{20}=3\dfrac{13}{20}$

Answer 2

Răspuns:

²⁰⁾3+⁵⁾1/4+⁴⁾2/5=

60/20+5/20+8/20=

73/20

sau

⁵⁾(3+1)/4+⁴⁾2/5=

20/20+8/20=

(28/20)⁽⁴=

7/5