若实数a,b满足a+b

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若实数a,b满足a+b若实数a,b满足a+b若实数a,b满足a+b(b-x)/(x+a)0即(x-b)(x+a)>0因为a+b

若实数a,b满足a+b
若实数a,b满足a+b

若实数a,b满足a+b
(b-x)/(x+a)0
即(x-b)(x+a)>0
因为a+b

若实数a,b满足a+b 1.若实数a,b满足0 若实数a,b满足0 若实数a,b满足0 实数a,b满足0 实数a,b满足0 实数a.b满足-1 若实数a,b,c满足a^2+a+bi 实数A,B,C满足A 已知实数a,b,c,满足a 实数a,b,c满足a 实数a,b,c,d满足a 实数a,b,m,n满足a 若a、b都是实数,且满足b 已知实数a,b满足a+b>0,b 实数a,b满足不等式||a|-(a+b)| 已知实数a、b满足||a|-(a+b)| 已知实数a,b满足ab