Question

Puteti sa ma ajutati cu asta,va rog? :(

Answer 1

uite exercitiul 2) a) si b)!!!

a.

$\frac{25 \times 9}{2} = \frac{225}{2} = 112.5$

b.

$\frac{28}{13} \div 7 = \frac{28}{13} \times \frac{1}{7} = \frac{28}{13 \times 7} = \frac{28}{91}$