A:being spent
B:having spent
C:spent
D:spending
— Me, too. Hot weather ________ makes people feel hot, _________ causes serious health problems.
已知关于x的方程x2﹣6x+1=0.
求:x+1x的值;
多项式 36x2−3x+5 与 3x3+12mx2−5x+7 相加后,不含二次项,则常数 m 的值是( )
若数列an前8项的值各异,且an+8=an对任意的n∈N都成立,则下列数列中可取遍an前8项值的数列为( )