Question

+3supra40-(-11supra30)​

Answer 1

Răspuns:

Explicație pas cu pas:

3/40+11/30=3·3/120+4·11/120=(9+44)/120=53/120

Answer 2

Răspuns:

Explicație pas cu pas:

$+ \frac{3}{40} - \Big(- \frac{11}{30} \Big)= \frac{ {}^{3)} 3}{40} + \frac{ {}^{4)} 11}{30} = \frac{9 + 44}{120} = \boxed{\frac{53}{120}}$