Question

efetue 5/3×18/7= b) 13/5×5/3= c) 4/9×18/36×5/8= d)3/8×16/27×9/10=​

Answer 1

Explicação passo-a-passo:

.

$\dfrac{5}{3} \times \dfrac{18}{7}$

$\dfrac{90 \div 3}{21 \div 3}$

$\dfrac{30}{7}$

.

$\dfrac{13}{5} \times \dfrac{5}{3}$

$\dfrac{65 \div 5}{15 \div 5}$

$\dfrac{13}{3}$

.

$\dfrac{4}{9} \times \dfrac{18}{36} \times \dfrac{5}{8}$

$\dfrac{360 \div 72}{2592 \div 72}$

$\dfrac{5}{36}$

.

$\dfrac{3}{8} \times \dfrac{16}{27} \times \dfrac{9}{10}$

$\dfrac{432 \div 432}{2160 \div 432}$

$\dfrac{1}{5}$