Question

$2 \: \frac {1}{4} \: 2 \: \frac{3}{4} \: + \: 3 \: \frac{1}{2} \: 3 \frac{3}{2}$
​

Answer 1

Resposta:

351/16

Explicação passo-a-passo:

= 2 1/4 . 2 3/4 + 3 1/2 . 3 3/2

=(4.2+1)/4 .(4.2+3)/4 + (2.3+1)/2 .(2.3+3)/2

= 9/4 . 11/4 + 7/2 . 9/2

= 99/16 + 63/4

= (99+4.63)/16

= (99+252)/16

= 351/16