x+4/100+x+5/99+x+7/97 =3

解答

x + \frac{4}{100} + x + \frac{5}{99} + x + \frac{7}{97} = 3

x = \frac{681172}{720225}

十进制

x = 0.94577 \dots

求解步骤

x + \frac{4}{100} + x + \frac{5}{99} + x + \frac{7}{97} = 3

化简

x + \frac{4}{100} + x + \frac{5}{99} + x + \frac{7}{97} : 3 x + \frac{39053}{240075}

3 x + \frac{39053}{240075} = 3

将

\frac{39053}{240075}

到右边

3 x = \frac{681172}{240075}

两边除以

3

x = \frac{681172}{720225}

x = - \frac{1}{( 3 )}, \frac{2}{( 3 )}

4 (2 x + 5) - (5 x - 4) = 27

so l v e f or d, d (7) = 2 x^{3} - x^{2} - 4 x + 100

2^{4} x - 3.5 x = 5^{2} - 2^{4}

2 (p + 9) = - 4