最后一道急需解决的SAT2 Math Two planes are perpendicular to each other.The locus of points at distance d from one of these planes and at distance e from the other is?正答：4 lines答案又是怎么回事呢?

一道急需解决的SAT2 Math问题The set of odd intergers is closed under?正答：multiplication 最后一道急需解决的SAT2 Math Two planes are perpendicular to each other.The locus of points at distance d from one of these planes and at distance e from the other is?正答：4 lines答案又是怎么回事呢? 又一道急需解决的SAT2 Math If f(x)=X^2-3x+4,which of the following is an approximation of f(f(f(3+7/8)))?正答：1223.21 麻烦英语好的进来帮忙解决一道题 She doesn't like math at all.改同义句She doesn't like math at all.She doesn't like math ____ ____ ____·改成同义句, Sat2 一道物理题 一道英文(sat2)物理题 Sat2 math level 2第5题 400克40度的水和100度30克的水混合,最后的的水温是?是SAT2的一道物理题,6号就考了,大家帮帮忙!急! SAT2里面的science sat2真题有卖的么 What are these t()（最后单词以t开头）?they are my math books.这道题应该是thing，那换一道，what's in your d( ) It's my IDcard SAT2 Sat2 有机化学急需解决的生活中的问题 一道 sat math problem 我买了一本SAT2 MATH LEVEL2的书 上面写了 考题 Number and operations 占12%我想问Number and operations是什么意思呢? 用以下公式计算л的值,直到最后一项的绝对值小于1E-6为止.(Math.abs(t)>=1e-6 一道求极限的题目.不懂T T最后内步是怎么弄出来的T T理解不能.