Question

3 ex incercuite dau coroana plus 60 de puncte

Answer 1

b)

$90 = 2 \times {3}^{2} \times 5$

$168 = {2}^{3} \times 3 \times 7$

$(90,168) = 2 \times 3 = 6$

c)

$100 = {2}^{2} \times {5}^{2}$

$280 = {2}^{3} \times 5 \times 7$

$980 = {2}^{2} \times 5 \times {7}^{2}$

$(100,280,980) = {2}^{2} \times 5 = 20$

d)

$875 = {5}^{3} \times 7$

$550 = 2 \times {5}^{2} \times 11$

$(875,550) = {5}^{2} = 25$