52-4÷2= 20÷5+77= 50+24÷8= 29+64÷8= 2×5-3=
30-15÷3= 35-4×6= 63+1×8= 40-42÷6= 28-9×1=
97-1×8= 3×9+38= 4×2+68= 48-9×2= 69-1×1=
52-4÷2= 20÷5+77= 50+24÷8= 29+64÷8= 2×5-3=
30-15÷3= 35-4×6= 63+1×8= 40-42÷6= 28-9×1=
97-1×8= 3×9+38= 4×2+68= 48-9×2= 69-1×1=