Question

vă rogg repede dau coroana ​

Answer 1

Răspuns:

$\frac{7}{a} = \frac{b}{8} > > a = 8 \: \: \: \\ \: \: b = 7$

b×a= 8×7 = 56

$\frac{42}{56} = \frac{6}{8} = \frac{3}{4}$

Answer 2

Răspuns:

7/a=b/8 >>a=8 , b=7

b×a=8×7

b×a=56

42/58=6/8=2/4