Test Mode
Reading Mode
Right = 0
Wrong = 0
S = {x ∈ R : x<3}
S = {x ∈ R:x>3}
S = {x ∈ R : x<7}
S = {x ∈ R :x>7}
S = {x ∈ R : x<-6}
S = {x ∈ R:x<6}
S = {x ∈ R:x>6}
S = {x ∈ R:x>-6}
S={y ∈ R:y>4}
S = {y ∈ R : y<4}
S = {y∈ R : y ≤ 4}
S={y∈R:y4}
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