Question

exercițiu 13 Dau coroana! ​

Answer 1

a)

$\frac{13 - 1}{90} = \frac{12}{90}$

b)

$- \frac{223 - 22}{90} = - \frac{201}{90}$

c)

$\frac{324 - 3}{990} = \frac{321}{990}$

d)

$- \frac{123 - 12}{900} = - \frac{111}{900}$

e)

$\frac{8274 - 82}{990} = \frac{8192}{990}$

f)

$- \frac{83 - 8}{900} = - \frac{75}{900}$