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一、口算。
$100÷0.01=$
$32÷80=$
$100÷0.1=$
$7.2÷0.09=$
$3.8÷0.19=$
$6÷5=$
$5.8÷58=$
$81÷0.09=$
$100÷0.01=$
10000
$25.5÷0.5=$51
$0.038÷0.2=$0.19
$32÷80=$
0.4
$16.2÷0.4=$40.5
$10.8÷9=$1.2
$100÷0.1=$
1000
$2.1÷0.5=$4.2
$82.5÷5=$16.5
$7.2÷0.09=$
80
$0.42÷0.5=$0.84
$0.85÷0.5=$1.7
$3.8÷0.19=$
20
$0.27÷0.3=$0.9
$0.21÷0.3=$0.7
$6÷5=$
1.2
$5.2÷2.6=$2
$0.77÷0.11=$7
$5.8÷58=$
0.1
$16.2÷0.06=$270
$7.2÷0.012=$600
$81÷0.09=$
900
$26.4÷0.2=$132
$12÷0.75=$16
答案
一、10000 51 0.19
0.4 40.5 1.2
1000 4.2 16.5
80 0.84 1.7
20 0.9 0.7
1.2 2 7
0.1 270 600
900 132 16
0.4 40.5 1.2
1000 4.2 16.5
80 0.84 1.7
20 0.9 0.7
1.2 2 7
0.1 270 600
900 132 16
二、用竖式计算。
$17.92÷64$ $5.85÷0.15$ $25÷0.625$
$3.1÷0.25$ $5.64÷1.2$ $21.17÷0.73$
$17.92÷64$ $5.85÷0.15$ $25÷0.625$
$3.1÷0.25$ $5.64÷1.2$ $21.17÷0.73$
答案
二、0.28 39 40
12.4 4.7 29
