Автор - r0xxxyloveyou

1) (a+1/7)²
2)(1/9+b)²
3)(n/4+m/3)²
4)(k/2-t/5)²
5)(4⅓-x)²
6)y+3¼)²
7)(z-5⅕)²
8)(4½+t)²​

Ответ

Проверено экспертом

Автор - гюйс

(a+frac{1}{7})^{2}=a^{2}  +frac{2}{7}a+frac{1}{49} \ \ (frac{1}{9} +b)^{2}=frac{1}{81} +frac{2}{9}b+b^{2} \  \ (frac{n}{4}+frac{m}{3})^{2}= frac{n^{2} }{16}+frac{1}{6}mn+frac{m^{2} }{9} \ \ (frac{k}{2}-frac{t}{5})^{2}=frac{k^{2} }{4}-frac{1}5}kt+frac{t^{2} }{25} \ \ (4frac{1}{3}-x)^{2}=(frac{13}{3} -x)^{2}=frac{169}{9} -8frac{2}{3}x+x^{2}=18frac{7}{9}-8frac{2}{3}x+x^{2}\ \ (y+3frac{1}{4} )^{2}=(y+frac{13}{4})^{2}=y^{2} + 6frac{1}{2} y+10frac{9}{16}\ \ (z-5frac{1}{5}) ^{2}=(z-frac{26}{5} )^{2}=z^{2} -10frac{2}{5}z+27frac{1}{25}\ \ (4frac{1}{2} +t)^{2}=20frac{1}{4}+9t+t^{2}

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