Решите : 7/15y=-7/10; 3/5x=-9/10; -15/28x=5/7; -4/7y=-8/21; - вопрос №727928871571035910152857478219442 от alinatitova228 10.03.2023 00:58

Question

Математика: Решите : 7/15y=-7/10; 3/5x=-9/10; -15/28x=5/7; -4/7y=-8/21; -9/44y=-2 целых 5/11

alinatitova228 · Answer

7 7 3 9 15 5 4 8 9 5
--- у =- --- --- х = - --- - ---х = --- - --- у = - ---    - ---у = -2 15 10 5 10 28 7 7 21 44 11
7 Х 15 9 х 5 5 х 28 8х7
у= - х= - х = - у= у = - 12
10 Х 7 10 х 3 7 х 15 21х4
1 1 1 2
у= -1 --- х= - 1 х = - 1--- у=
2 2 3 3