Question

Найдите сумму многочленов 12.1 задание​

Answer 1

1)

${x}^{2} + 5 + {x}^{2} - 4 = 2 {x}^{2} + 1$

2)

$y - 2x + 4x + 6 = 2x + y + 6$

3)

$2ab - 1 + ab + 10 = 3ab + 9$

4)

$1.8 {a}^{2} - {y}^{3} + 22 {a}^{2} = 23.8 {a}^{2} - {y}^{3}$