A.(x-y)*(x-y)<100
B.x-y>-10 && x-y<10
C.fabs(x-y)<10
D.(x-y)<-10||!(y-x)>10
第1题
A.abs(x-y)<10
B.x-y>-10&&x-y<10
C.!(x-y)<-10||!(y-x)>10
D.(x-y)*(x-y)<100
第2题
A.(x-y)*(x-y)<100
B.x-y>-10 && x-y<10
C.fabs(x-y)<10
D.(x-y)<-10||!(y-x)>10
第4题
A.abs(x-y)<10
B.x-y>-10&&x-y<10
C.(x-y)<-10||!(y-x)>10
D.(x-y)*(x-y)<100
第5题
A.abs(x-y)<10
B.x-y>-10&&x-y<10
C.(x-y)<-10||!(y-x)>10
D.(x-y)*(x-y)<100
第6题
A.abs(x-y)<10
B.x-y>-10&&x-y<10
C.!(x-y)<-10||!(y-x)>10
D.(x-y)*(x-y)<100
第7题
A.abs(x-y)<10
B.x-y>-10&&x-y<10
C.!(x-y)<-10||!(y-x)>10
D.(x-y)*(x-y)<100
第8题
A.abs(x-y)<10
B.x-y>-10&&x-y<10
C.!(x-y)<=10||!(y-x)>10
D.(x-y)*(x-y)<100
第9题
A.abs(x-y)<10
B.x-y>-10&&x-y<10
C.!(x-y)<=10||!(y-x)>10
D.(x-y)*(x-y)<100
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