Укажите НЕверное неравенство 1) 1/15 > 1/16 2) 5/8 > 7/9 3) 2/3 < 4/5 4)10/11< 21/22

Question

Укажите НЕверное неравенство
1) 1/15 > 1/16
2) 5/8 > 7/9
3) 2/3 < 4/5
4)10/11< 21/22

Answer 1

1) 1/15 > 1/16  верно
2)  \frac{7}{9} " alt=" \frac{5}{8} > \frac{7}{9} " align="absmiddle" class="latex-formula">
\frac{7*8}{9*8} " alt=" \frac{5*9}{8*9} > \frac{7*8}{9*8} " align="absmiddle" class="latex-formula">
\frac{56}{72} " alt=" \frac{45}{72} > \frac{56}{72} " align="absmiddle" class="latex-formula">
неверно
3)2/3 < 4/5
10/15<12/15<br>верно
4) 10/11< 21/22
20/22<21/22<br>верно