计算
$4÷0.8=$
$0.63÷0.63=$
$9.6÷4=$
$0.63÷0.3=$
$1÷0.5=$
$0.36÷2=$
$1.8×0.5=$
$0.55÷0.11=$
$0.8÷0.8=$
$8.4÷0.03=$
$0.64÷6.4=$
$1.2×8=$
$0.72÷0.04=$
$8÷0.16=$
$0.48÷0.6=$
$0.24×0.5=$
$8.1÷0.9=$
$9.9÷0.9=$
$5.28×0=$
$56÷0.56=$
$3÷20=$
$9÷100=$
$5.7×0.01=$
$0.5×0.5=$
$6.4÷0.64=$
$0.24÷0.8=$
$2.4÷0.06=$
$5.6÷10=$
$3.5÷0.5=$
$3.6÷9=$
$5÷0.5=$
$1.6÷0.8=$
$0.2÷0.2=$
$0.125×8=$
$0.25×4=$
$0.2×0.2=$

$4÷0.8=5$
$0.63÷0.63=1$
$9.6÷4=2.4$
$0.63÷0.3=2.1$
$1÷0.5=2$
$0.36÷2=0.18$
$1.8×0.5=0.9$
$0.55÷0.11=5$
$0.8÷0.8=1$
$8.4÷0.03=280$
$0.64÷6.4=0.1$
$1.2×8=9.6$
$0.72÷0.04=18$
$8÷0.16=50$
$0.48÷0.6=0.8$
$0.24×0.5=0.12$
$8.1÷0.9=9$
$9.9÷0.9=11$
$5.28×0=0$
$56÷0.56=100$
$3÷20=0.15$
$9÷100=0.09$
$5.7×0.01=0.057$
$0.5×0.5=0.25$
$6.4÷0.64=10$
$0.24÷0.8=0.3$
$2.4÷0.06=40$
$5.6÷10=0.56$
$3.5÷0.5=7$
$3.6÷9=0.4$
$5÷0.5=10$
$1.6÷0.8=2$
$0.2÷0.2=1$
$0.125×8=1$
$0.25×4=1$
$0.2×0.2=0.04$

圈出商的最高位是十位的算式

4.77÷0.3
20.32÷0.2
0.624÷0.4
3.5÷0.05
80.4÷6
9.1÷7
45÷3.5

4.77÷0.3 = 15.9
20.32÷0.2 = 101.6
0.624÷0.4 = 1.56
3.5÷0.05 = 70
80.4÷6 = 13.4
9.1÷7 = 1.3
45÷3.5 ≈ 12.86
答：圈出商的最高位是十位的算式为4.77÷0.3、3.5÷0.05、80.4÷6、45÷3.5。