=1/4x²y的4次方(3xy-4xy²+1)
=3/4x³y的5次方-x³y的6次方+1/4x²y的4次方
猜你喜欢
- 1有一固体混合物,可能由NA2CO3、NA2SO4、CUSO4、CACL2、NACL等混合物组成,为检验它们作如下实验
- 2The Monkey King is the main character from the famous Chinese story.中from可以换成in ,of吗
- 3He told me (that he would leave for Shanghai that day).
- 4王老师带同学植树,所有学生刚好平均分成3个小组,老师与每个学生中同样多的树,一共种了364棵
- 5某学生使用托盘天平的称量食盐时，错误地把食盐放在右托盘，砝码放在左托盘，称得食盐的质量为16.5g（1g以下只能使用游码）.如果按正确的方法称量，食盐的质量应该是（ ） A.16.5g B.
- 6一个圆的周长是37.68厘米，求圆的面积．
- 7you can love someone and not want to spend time with them
- 8superdog can run very fast 划线部分提问run very fast
- 9某地强风的风速为20m/s,空气密度是p=1.3kg/m3,一风力发电机的有效受风面积为S=20m2,如
- 10Without the road can back,i exactly want what they want to