x²-y²=(x-y) (x+y) =5
x-y=0,5
0,5(x+y) =5
x+y=10
x²-2xy+y²=(x-y) ²
0,5²=0, 25
Ответ 10 и 0,25
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
x²-y²=(x-y) (x+y) =5
x-y=0,5
0,5(x+y) =5
x+y=10
x²-2xy+y²=(x-y) ²
0,5²=0, 25
Ответ 10 и 0,25