6×9= 8×8= 7×4= 9×2-7=
4×8= 7×0= 4×9= 4×7+7=
37+3= 8×6= 38-8= 8+8-8=
18-9= 4×0= 9×3= 8×7+4=
5×5= 56+30= 6×1+4= 7×6-7=