X/2+A≥2
则X≥4-2A
2x-b<3则X<(3+b)/2
且 0≤x<1所以4-2A=0,(3+b)/2=1
故A=2,b=-1
即A+b=1
若不等式组X/2+A大于等于2和2x-b小于3的解集是零小于等于X小于1 则A+b的值是几
若不等式组X/2+A大于等于2和2x-b小于3的解集是零小于等于X小于1 则A+b的值是几
数学人气:294 ℃时间:2019-08-30 13:56:35
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