若有int w=1,x=2,y=3,z=4;则表达式w
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/11 01:41:59
我记得这个是交换两个数的值,你试下不就知道了.X=2,Y=1.
用图像法,画x>=-1;y>=x;3x+2y
N={(1,1)},M={(x,y)|y-3=x-2},即M={(x,y)|y-x-1=0},CIM即为除直线外的所有的(x,y),CIN即为除(1,1)外的(x,y),所以(CIM)∩((CIM))
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