1.
[tex] {(x + y)}^{2} [/tex]
[tex] {(m - n)}^{2} [/tex]
[tex] {(x + 1)}^{2} [/tex]
[tex] {( a + 2)}^{2} [/tex]
[tex] {(a - 3)}^{2} [/tex]
[tex] {(x + 4)}^{2} [/tex]
[tex] {(a - 6)}^{2} [/tex]
[tex] {(y - 5)}^{2} [/tex]
[tex] {(b + 7)}^{2} [/tex]
2.
[tex] {(2 \times a + 3)}^{2} [/tex]
[tex] {(5 \times x + 1)}^{2} [/tex]
[tex] {(3 \times x - 4 \times y)}^{2} [/tex]
[tex] {( \frac{1}{2} \times m - 2 \times n) }^{2} [/tex]
[tex] {(9 \times a - b)}^{2} [/tex]
[tex] {(1 - y)}^{2} [/tex]
[tex] {(4 \times a + b)}^{2} [/tex]
[tex] {(10 \times x + y)}^{2} [/tex]
[tex] {(7 \times x + 2 \times y)}^{2} [/tex]
[tex] {(2 \times a - b)}^{2} [/tex]
[tex] {(3 \times a - \frac{1}{6} \times b) }^{2} [/tex]
[tex] {(2 \times x + \frac{1}{5} )}^{2} [/tex]
COROANA?
