Question

resolva as frações ​

Answer 1

a)

$\frac{7}{2} \div \frac{3}{4} = \frac{28}{6} = 4$

b)

$\frac{ \sqrt[3]{125} }{5} + 1 = \frac{5}{5} + 1 = 1 + 1 = 2$

c)

$( \frac{1}{2} ) {}^{2} + ( \frac{1}{2} ) {}^{2} = \frac{1}{4} + \frac{1}{4} = \frac{2}{4}$

Answer 2

D ) multiplica cruzado

7 3 28

- ÷ - = -

2 4 6

Simplificando :

28 (÷2) 14

- = -

6 (÷2) 3