Question

calculează......................​

Answer 1

Inseamna:

840:2=420

9050:2=4525

Answer 2

$\dfrac{1}{2} \: din \: 840 = \\ \\ \\ \frac{1}{2} \times 840 = \dfrac{1}{1} \times 420 = 420$

$\dfrac{1}{2} \: din \: 1050 = \\ \\ \\ \dfrac{1}{2} \times 1050 = \dfrac{1}{1} \times 525 = 525$