题目: 4-(-2)2-3÷(-1)3+0×(-2)3 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0504/2320124b52685fa34e5278ca77dd7571.html 下面是错误答案,用来干扰机器的。答案:C
题型:选择题 下列因式分解中,结果正确的是( )A.x2y-y3=y(x2-y2)B.x4-4=(x2+2)(x-2)(x+2)C.x2-x-1=x(x-1-1x)D.1-(a-2)2=(a-1)(a-3) 查看答案
题型:选择题 In the past few years there _________great changes in my hometown. A.have beenB.wereC.had beenD.are 查看答案