Răspuns:
a)
[tex]60 = {2}^{2} \times 3 \times 5[/tex]
[tex]84 = {2}^{2} \times 3 \times 7[/tex]
[tex]36 = {2}^{2} \times {3}^{2} [/tex]
[tex]cmmmc = {2}^{2} \times {3}^{2} \times 5 \times 7 = 1260[/tex]
b)
[tex]88 = {2}^{3} \times 11[/tex]
[tex]132 = {2}^{2} \times 3 \times 11[/tex]
[tex]176 = {2}^{4} \times 11[/tex]
[tex]cmmmc = {2}^{4} \times 3 \times 11 = 528[/tex]
c)
[tex]120 = {2}^{3} \times 3 \times 5[/tex]
[tex]144 = {2}^{4} \times {3}^{2} [/tex]
[tex]cmmmc = {2}^{4} \times {3}^{2} \times 5 = 720[/tex]
d)
[tex] 44 = {2}^{2} \times 11[/tex]
[tex]55 = 5 \times 11[/tex]
[tex]66 = 2 \times 3 \times 11[/tex]
[tex]cmmmc = {2}^{2} \times 3 \times 5 \times 11 = 660[/tex]
e)
[tex]270 = 2 \times {3}^{3} \times 5[/tex]
[tex]180 = {2}^{2} \times {3}^{2} \times 5[/tex]
[tex]450 = 2 \times {3}^{2} \times {5}^{2} [/tex]
[tex]cmmmc = {2}^{2} \times {3}^{3} \times {5}^{2} = 2700[/tex]
f)
[tex]360 = {2}^{3} \times {3}^{2} \times 5[/tex]
[tex]480 = {2}^{5} \times 3 \times 5[/tex]
[tex]cmmmc = {2}^{5} \times {3}^{2} \times 5 = 1440 [/tex]