5×9= 7×6= 67+9= 6×7=
9×6= 25-14= 4×6= 72+8=
6×5= 45-8= 8×5= 5×8=
63-8= 8×7= 87+10= 65+8=
8×6-20= 44+20-6= 7×5+5= 10-2×3=