Сократите дробь : 1) [latex] \frac{3x}{21y}[/latex] 2) [latex] \frac{5c ^{4} }{10c ^{5} } [/latex] 3) [latex] \frac{16ab ^{4} }{40ab ^{2} } [/latex] 4) [latex] \frac{12a ^{8} }{-42a ^{2} } [/latex]

Question

Сократите дробь : 1) [latex] \frac{3x}{21y}[/latex] 2) [latex] \frac{5c ^{4} }{10c ^{5} } [/latex] 3) [latex] \frac{16ab ^{4} }{40ab ^{2} } [/latex] 4) [latex] \frac{12a ^{8} }{-42a ^{2} } [/latex]

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Ответ(ы) на вопрос:

Accepted Answer

[latex]\frac{3x}{21y}=\frac{x}{7y}\\ \frac{5c^4}{10c^5}=\frac{1}{2c}\\ \frac{16ab^4}{40ab^2}=\frac{4b^2}{10}\\ -\frac{12a^8}{42a^2}=-\frac{2a^6}{7}[/latex]