Question

Ajutati-ma, va rog cu ambele exercitii!
Dau coroana!
URGENT​

Answer 1

Răspuns:

a)

$\frac{3}{4} + \frac{1}{4} = 1$

b)

$2 \frac{1}{2} - \frac{2}{3} = 1 \frac{5}{6}$

c)

$\frac{4}{5} \times \frac{5}{7} = \frac{4}{7}$

d)

$\frac{3}{4} \times 6 = 4 \frac{1}{2}$

e)

$\frac{16}{5} \div \frac{8}{3} = \frac{6}{5}$

f)

$\frac{56}{9} \div 0.(7) = 7 \:$

cred

g)nu știu

h)

$\frac{4}{5} + 1 \frac{1}{2} - \frac{1}{10} \times 100 = - 7 \frac{7}{10}$