30÷6 = 9+3= 20÷5 = 2×3+4=
15-3= 36÷6= 70-8= 3×3+3=
4÷4 = 12÷3= 24÷6= 5×4-5=
25+8 = 6×3 = 60+27= 7+9-7=
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