已知实数a,b满足0＜a＜b+1,试判断a²-1与b²+2b大小

已知实数a,b满足0＜a＜b+1,试判断a²-1与b²+2b大小 已知实数a,b满足a>b,求证：-a^2-a＜-b^3-b 已知实数a.b满足0 已知实数a,b满足a+b>0,b 已知实数a,b满足：1 已知实数a,b满足：1 已知实数a,b满足1 已知实数a,b,c满足条件1/a+1/b+1/c=1/a+b+c,试判断a,b,c关系 已知实数a,b,c满足a+b+c=0,abc=8,试判断a,b,c的倒数之和的符号 已知实数A,B,C满足A+B+C=0,ABC=8,判断1/A+1/B=1/C的值的正负 已知实数A,B,C满足A+B+C=0,ABC=8,判断1/A+1/B=1/C的值的正负 已知实数a,b,c,满足a 实数a,b满足0 实数a,b满足0 实数a.b满足-1 已知实数a,b满足ab 已知实数a,b满足ab 已知实数a,b,c,满足c