a)
[tex] \frac{1}{2} \times \frac{3}{6} [/tex]
[tex] \frac{1}{2} \times \frac{1}{2} [/tex]
[tex] \frac{1}{4} [/tex]
b)
[tex] \frac{4}{3} \times \frac{3}{5} [/tex]
[tex]4 \times \frac{1}{5} [/tex]
[tex] \frac{4}{5} [/tex]
c)
[tex] \frac{5}{3} \times \frac{4}{10} [/tex]
[tex] \frac{1}{3} \times \frac{4}{2} [/tex]
[tex] \frac{1}{3} \times 2[/tex]
[tex] \frac{2}{3} [/tex]
d)
[tex] \frac{8}{10} \times \frac{5}{6} [/tex]
[tex] \frac{4}{2} \times \frac{1}{3} [/tex]
[tex]2 \times \frac{1}{3} [/tex]
[tex] \frac{2}{3} [/tex]
e)
[tex]( \frac{5}{6} {)}^{2} [/tex]
[tex] \frac{ {5}^{2} }{ {6}^{2} } [/tex]
[tex] \frac{25}{36} [/tex]
f)
[tex]( { \frac{3}{10} )}^{2} [/tex]
[tex] \frac{ {3}^{2} }{ {10}^{2} } [/tex]
[tex] \frac{9}{100} [/tex]
g)
[tex]( \frac{1}{2} {)}^{4} [/tex]
[tex] \frac{ {1}^{4} }{ {2}^{4} } [/tex]
[tex] \frac{1}{16} [/tex]
h)
[tex] {( \frac{3}{2}) }^{3} [/tex]
[tex] \frac{ {3}^{3} }{ {2}^{3} } [/tex]
[tex] \frac{27}{8} [/tex]
a) 1/4
b) 4/5
c) 2/3
d) 2/3
e) 25/36
f) 9/100
g) 1/16
h) 27/8
a) 1/2 × 3/6 = 3/12; 3/12 ÷ 3 = 1/4
b) 4/3 × 3/5 = 12/15; 12/15 ÷ 3 = 4/5
c) 5/3 × 4/10 = (1/3) × (4/2); (1/3) × (4/2) = (1/3) × (2/1); (1/3) × (2/1) = 2/3
d) 8/10 × 5/6 = (8/2) × (1/6); (8/2) × (1/6) = (4/1) × (1/6); (4/1) × (1/6) = 4/6; 4/6 ÷ 2 = 2/3
e) (5/6)^2 = (5/6) × (5/6); (5/6) × (5/6) = 25/36
f) (3/10)^2 = (3/10) × (3/10); (3/10) × (3/10) = 9/100
g) (1/2)^4 = (1/2) × (1/2) × (1/2) × (1/2); (1/2) × (1/2) × (1/2) × (1/2) = 1/16
h) (3/2)^3 = (3/2) × (3/2) × (3/2); (3/2) × (3/2) × (3/2) = 27/8
Espero que tenha ajudado!
