3×5= 2×6= 4×5= 5×2=
6×3= 4×4= 6×4= 3×3=
6×5= 4×1= 5×3= 2×6=
50+29= 67-32= 7+30= 70-37=
6×4-20= 4×2+20= 5×3-8= 3×4+13=
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