Question

calcule mentalmente ???

1/2 de 300
1/4 de 300
1/2 de 150
1/4 de 600

Answer 1

Explicação passo-a-passo:

$\frac{1}{2} \times 300 = \frac{300}{2} = 150 \\ \frac{1}{4} \times 300 = \frac{300}{4} = 75 \\ \frac{1}{2} \times 150 = \frac{150}{2} = 75 \\ \frac{1}{4} \times 600 = \frac{600}{4} = 150$