6×3= 3×7= 2+8= 9×7+9= 2×( )=4
0×7= 7×5= 6×5= 6+6×7= 5×( )=5
4×9= 3×8= 9×0= 8×2-2= ( )×3=0
9×5= 2×6= 8×8= 7×7-7= 5×( )=20
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