来自史维祥的问题
【llllllllllllllllllllllllllllllllllllllllllllllllll(298:41:46)1.已知a≥1,比较M=√(a+1)-√a与N=√a-√(a-1)的大小. 2.比较2a2+3和4a的大小.】
llllllllllllllllllllllllllllllllllllllllllllllllll(298:41:46)
1.已知a≥1,比较M=√(a+1)-√a与N=√a-√(a-1)的大小.
2.比较2a2+3和4a的大小.
1回答
2020-03-24 18:58