Question

Va rog ex.1 si 2 ,multumesc.Dau 20 de puncte

Answer 1

1.

${(x + y)}^{2}$

${(m - n)}^{2}$

${(x + 1)}^{2}$

${( a + 2)}^{2}$

${(a - 3)}^{2}$

${(x + 4)}^{2}$

${(a - 6)}^{2}$

${(y - 5)}^{2}$

${(b + 7)}^{2}$

2.

${(2 \times a + 3)}^{2}$

${(5 \times x + 1)}^{2}$

${(3 \times x - 4 \times y)}^{2}$

${( \frac{1}{2} \times m - 2 \times n) }^{2}$

${(9 \times a - b)}^{2}$

${(1 - y)}^{2}$

${(4 \times a + b)}^{2}$

${(10 \times x + y)}^{2}$

${(7 \times x + 2 \times y)}^{2}$

${(2 \times a - b)}^{2}$

${(3 \times a - \frac{1}{6} \times b) }^{2}$

${(2 \times x + \frac{1}{5} )}^{2}$

COROANA?