有理数的运算是初中代数运算的基础,在进行有理数的加减iRRvAMez0wSTIg9zxWAzytmIkRrgM0Rm75e07DD3MnQ=乘除与乘方以IA8Lhs8OmIuDad6WMQgFY9itlF979yf3pphK1NROae4=及混合运算时,若能观察题目的特点,合理运用运算法(试读)...