分式的分子、分母都乘(或除)以同一个不等于0的整式,分式的值不变,用式子表示就是:A/B=A×M/B×M,A/B=A÷M/B÷M(M是不等于0的整式).这是分式的基本性质.分式部分的许多考点,都涉及分式的基本性质的具体应用. 例1 不改变分式的值,把分子和分母中的各项的系数化为整数,则0.05x-1/0.3x+3=___________. The numerator and denominator of fractions are multiplied (or divided) by the same integer not equal to 0. The value of the fraction remains unchanged, expressed by the formula: A/B=A×M/B×M, A/B= A÷M/B÷M (M is an integer not equal to 0). This is the basic nature of the fraction. Many of the points in the fractional part involve the specific application of the basic nature of the fraction. Example 1 Does not change the fractional formula The value, which turns the coefficients of the numerator and the denominator into an integer, then 0.05x-1/0.3x+3=___________.