一、口算。
$7.91÷0.7=$
$11.4÷3.8=$
$12.6+7.08=$
$1.05÷0.7=$
$4.23÷100=$
$2.02+0.8=$
$4.2÷3=$
$29.4-15.09=$
$7.91÷0.7=$
11.3
$1.44÷0.6=$2.4
$0.16×4=$0.64
$11.4÷3.8=$
3
$0.8×0.7=$0.56
$0.19×0.5=$0.095
$12.6+7.08=$
19.68
$3÷0.15=$20
$41.6÷4=$10.4
$1.05÷0.7=$
1.5
$0.84÷0.21=$4
$0.7×2.6=$1.82
$4.23÷100=$
0.0423
$1.3×0.6=$0.78
$0.09÷0.45=$0.2
$2.02+0.8=$
2.82
$8.4÷0.4=$21
$2.7×50=$135
$4.2÷3=$
1.4
$3.78×1000=$3780
$7.13×30=$213.9
$29.4-15.09=$
14.31
$0.8-0.62=$0.18
$1.32×8=$10.56
答案
一、11.3 2.4 0.64 3 0.56 0.095 19.68 20 10.4 1.5 4 1.82 0.0423 0.78 0.2 2.82 21 135 1.4 3780 213.9 14.31 0.18 10.56
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
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