登录
一、口算。
$0.4×12.5=$
$4.8+0.48=$
$0.16+0.54=$
$0.42÷35=$
$5.3×0.3=$
$7.8÷0.13=$
$12÷0.24=$
$3.04-1.4=$
$0.4×12.5=$
5
$32÷0.32=$100
$9.5÷0.5=$19
$4.8+0.48=$
5.28
$3.12×30=$93.6
$51÷1.7=$30
$0.16+0.54=$
0.7
$3.4÷0.02=$170
$125×0.8=$100
$0.42÷35=$
0.012
$3.65+0.74=$4.39
$18.9-2.37=$16.53
$5.3×0.3=$
1.59
$30.2×60=$1812
$4.5÷0.6=$7.5
$7.8÷0.13=$
60
$12.12÷6=$2.02
$0.396÷3.96=$0.1
$12÷0.24=$
50
$7-0.75=$6.25
$40÷0.25=$160
$3.04-1.4=$
1.64
$18.6÷0.6=$31
$0.68+0.42=$1.1
答案
一、5 100 19
5.28 93.6 30
0.7 170 100
0.012 4.39 16.53
1.59 1812 7.5
60 2.02 0.1
50 6.25 160
1.64 31 1.1
5.28 93.6 30
0.7 170 100
0.012 4.39 16.53
1.59 1812 7.5
60 2.02 0.1
50 6.25 160
1.64 31 1.1
二、用竖式计算。(得数保留两位小数)
$7.42÷0.19$ $43.8÷3.4$ $65÷0.54$
$2.13÷0.37$ $3.47÷0.06$ $54.5÷1.6$
$7.42÷0.19$ $43.8÷3.4$ $65÷0.54$
$2.13÷0.37$ $3.47÷0.06$ $54.5÷1.6$
答案
二、39.05 12.88 120.37
5.76 57.83 34.06
