Question

$\frac{5}{2} + \frac{12}{2} - \frac{7}{2} =$
$\frac{45}{12} + \frac{78}{12} \times 1$
Free points:))​

Answer 1

Răspuns:

5/2+12/2-7/2=17/2-7/2=(10/2)⁽²=5

45/12+78/12×1=45/12+78/12=(123/12)⁽³=41/4