《2025年速算天地数学口算心算五年级上册苏教版》

$0.6÷0.3=$2
$0.6×0.3=$0.18
$1.2÷0.4=$3
$1.2×0.4=$0.48
$2.1÷0.3=$7
$2.1×0.3=$0.63
$0.27÷0.1=$2.7
$0.27×0.1=$0.027
$0.24÷0.3=$0.8
$0.24×0.3=$0.072
$3.6÷0.3=$12
$3.6×0.3=$1.08
$0.4÷0.4=$1
$0.44×0.4=$0.176
$1.5÷0.01=$150
$1.5×0.01=$0.015
$8÷0.5=$16
$8×0.5=$4
$0×3.2=$0
$0÷3.2=$0
$0.9×10=$9
$0.9÷10=$0.09
$0.8×100=$80
$0.8÷100=$0.008
$0.39×10=$3.9
$0.39÷10=$0.039
$0÷0.1=$0
$1×0.1=$0.1
$1÷0.01=$100
$1×0.01=$0.01
$0.1÷0.1=$1
$0.1×0.1=$0.01
$0.5÷0.5=$1
$0.5×0.5=$0.25
$0.3×0.3=$0.09
$0.3÷0.3=$1
$4.4×100=$440
$4.4÷100=$0.044
$0.47×1=$0.47
$0.47÷1=$0.47

答案： 解析：本题主要考查了小数乘除法的口算能力。
答案：
$0.6÷0.3= 2$
$0.6×0.3= 0.18$
$1.2÷0.4= 3$
$1.2×0.4= 0.48$
$2.1÷0.3= 7$
$2.1×0.3= 0.63$
$0.27÷0.1= 2.7$
$0.27×0.1= 0.027$
$0.24÷0.3= 0.8$
$0.24×0.3= 0.072$
$3.6÷0.3= 12$
$3.6×0.3= 1.08$
$0.4÷0.4= 1$
$0.44×0.4= 0.176$
$1.5÷0.01= 150$
$1.5×0.01= 0.015$
$8÷0.5= 16$
$8×0.5= 4$
$0×3.2= 0$
$0÷3.2= 0$
$0.9×10= 9$
$0.9÷10= 0.09$
$0.8×100= 80$
$0.8÷100= 0.008$
$0.39×10= 3.9$
$0.39÷10= 0.039$
$0÷0.1= 0$
$1×0.1= 0.1$
$1÷0.01= 100$
$1×0.01= 0.01$
$0.1÷0.1= 1$
$0.1×0.1= 0.01$
$0.5÷0.5= 1$
$0.5×0.5= 0.25$
$0.3×0.3= 0.09$
$0.3÷0.3= 1$
$4.4×100= 440$
$4.4÷100= 0.044$
$0.47×1= 0.47$
$0.47÷1= 0.47$