60-20= 5×9= 36+4= 57+9=
76-40= 8×4= 7×5= 70-7=
9×9= 6×5= 2×7= 26+30-5=
53-8= 25-4= 7×9-3= 89-32-7=
8× 7 + 8 = 6 × 7 - 6 = 20 + 48 - 28 = 9+9+9+9+9+8 =
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