一、口算。
$0.9÷0.45=$
$0.81÷9=$
$4.8÷1.6=$
$2.4÷0.06=$
$0.008÷0.8=$
$2.6÷1.3=$
$10.5÷3.5=$
$4÷0.5=$
$0.9÷0.45=$
2
$10÷2.5=$4
$9.6÷16=$0.6
$0.81÷9=$
0.09
$1.5÷0.03=$50
$2÷0.05=$40
$4.8÷1.6=$
3
$78÷3.9=$20
$6.3÷0.021=$300
$2.4÷0.06=$
40
$1.44÷0.12=$12
$36.5÷3.65=$10
$0.008÷0.8=$
0.01
$1.82÷0.2=$9.1
$3.6÷0.06=$60
$2.6÷1.3=$
2
$5.67÷0.9=$6.3
$5.1÷0.17=$30
$10.5÷3.5=$
3
$0.66÷2.2=$0.3
$2.7÷0.9=$3
$4÷0.5=$
8
$3÷0.5=$6
$0.3÷0.03=$10
答案
一、2 4 0.6
0.09 50 40
3 20 300
40 12 10
0.01 9.1 60
2 6.3 30
3 0.3 3
8 6 10
0.09 50 40
3 20 300
40 12 10
0.01 9.1 60
2 6.3 30
3 0.3 3
8 6 10
二、用竖式计算。
$5.76÷3.2$ $9.019÷2.9$ $11.5÷4.6$
$40.96÷0.128$ $4.824÷0.24$ $10÷0.625$
$5.76÷3.2$ $9.019÷2.9$ $11.5÷4.6$
$40.96÷0.128$ $4.824÷0.24$ $10÷0.625$
答案
二、1.8 3.11 2.5
320 20.1 16
320 20.1 16
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