优质解答
选择题
CDCAB AABAC
填空题
11.335 12.x≠-1且≠3 13.a+3b 14.4018 15.(1)(2)(3) 16.100/99
17.-10/3 18.x=-5 19.略 20.(1)1个(2)1/6 21.2(x-3)二次方 22.20x=-1y=2
选择题
CDCAB AABAC
填空题
11.335 12.x≠-1且≠3 13.a+3b 14.4018 15.(1)(2)(3) 16.100/99
17.-10/3 18.x=-5 19.略 20.(1)1个(2)1/6 21.2(x-3)二次方 22.20x=-1y=2