{х/5-2/3 2/5-х/3, 2/7+х/3 х/7-2/3 - вопрос №5232532737237122180 от lerailina30040 06.05.2020 03:46

Question

Математика: {х/5-2/3 2/5-х/3, 2/7+х/3 х/7-2/3

lerailina30040 · Answer

1) х/5-2/5 2/3-х/3; (х-2)/5 (2-х)/3; |*15; 3(х-2) 5(2-х); 3х-6 10-5х; 3х+5х 6+10; 8х 16; х 2; 2) х/3+2/3 х/7-2/7; (х+2)/3 (х-2)/7; |*21; 7(х+2) 3(х-2); 7х+14 3х-6; 7х-3х -14-6; 4х -20; х -20: 4; х -5....

{х/5-2/3 < 2/5-х/3, 2/7+х/3> х/7-2/3