<span>НОК(14, 7, 84 ) : 3 + 5 </span>· <span>НОД(105, 15 ) - 100 = 84 : 3 + 5 </span>· 15 -100 = 28 + 75 - 100 = 103 - 100 = 3<span>
</span>НОК(14, 7, <span>84 ) = 84
</span>НОД(105, <span>15 ) = 15</span>
14 3/11-3/11=14
получится 14
20000-840:4*9 =18110; 1)840:4=210; 2)210*9=1890;
3)20000-1890=18110;