(本题满分8分,每小题4分)(1) (2)
解方程:
计算:
计算:an﹣5(an+1b3m﹣2)2+(an﹣1bm﹣2)3(﹣b3m+2)
计算:(﹣)0= .
解不等式(组) (1)5x>3(x-2)+2 (2)