Soluciones: Sustracción

120.

$\large ab^{2}+3a^{2}b$

121.

$\large 2a^{2}b^{3}-7ab^{3}$

122.

$\large x^{2}-12x$

123.

$\large -x+9y$

124.

$\large 5a^{4}-7a^{3}b+12a^{2}b^{2}$

125.

$\large 10a^{5}-7a^{4}b$

126.

$\large 4a^{2}-2b+3$

127.

$\large m^{2}-10mn-2n^{2}$

128.

$\large 6a^{2}b+2b^{3}$

129.

$\large x^{2}-x-a^{2}+5b$

130.

$\large a-b+c-d$

131.

$\large 3x^{3}+5x^{2}-7x-2$

132.

$\large x^{2}-2xy+4y^{2}$

133.

$\large 2a-8b+16c-3d$

134.

$\large 3xy-4y^{2}-2z^{3}+8y^{2}z$

135.

$\large 4a^{3}+3a^{2}b-8ab^{2}+6b^{3}$

136.

$\large 3a^{5}+15a^{4}b-13a^{3}b^{2}+16a^{2}b^{3}$

137.

$\large 2a^{4}-7a^{3}b+5a^{2}b^{2}-b^{4}$

138.

$\large 13am^{2}-9bm+7c$

139.

$\large \frac{1}{3}\, ab+2b$

140.

$\large \frac{1}{4}\, a^{2}b^{2}+6ab^{5}$

141.

$\large \frac{7}{12}\, mn^{2}+\frac{1}{6}m^{2}n-\frac{1}{2}m^{3}$

142.

$\large 1\, \frac{5}{12}x^{2}y-\frac{1}{12}xy^{2}+1\, \frac{7}{24}y^{2}$

143.

$\large a^{4}b^{3}-a^{3}b^{2}$

144.

$\large -x^{2}y5+x^{3}y^{3}-2\, \frac{1}{8}x^{5}$

145.

$\large \frac{1}{6}a^{2}-\frac{7}{12}ab+\frac{17}{20}b^{2}$

146.

$\large 4\, \frac{1}{5}x^{3}y+1\, \frac{1}{4}x^{2}y^{2}-1\, \frac{5}{6}xy^{3}$

147.

$\large 2y^{2}-12\sqrt{ay}-5\sqrt{by^{2}}+25$

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