计算
$0.75×20=$
$0.75×200=$
$0.75×0.2=$
$7.5×0.2=$
$0.75÷0.25=$
$0.125×8=$
$4.8÷0.3=$
$0.56÷28=$
$0.36÷0.4=$
$0.7×0.09=$
$3.6×0.3=$
$1.64+4.1=$
$10÷20=$
$24÷0.06=$
$8.65×10=$
$0.35×0.6=$
$30.8×0.1=$
$0.4×0.5=$
$9.6÷0.8=$
$0.108÷2=$
$3.9÷0.13=$
$3.9÷1.3=$
$0.39÷13=$
$0.39÷1.3=$
$0.25×0.4=$
$1.6÷0.8=$
$1.25×0.8=$
$0÷1.7=$
$9.6÷8=$
$5×0.24=$

$0.75×20=15$
$0.75×200=150$
$0.75×0.2=0.15$
$7.5×0.2=1.5$
$0.75÷0.25=3$
$0.125×8=1$
$4.8÷0.3=16$
$0.56÷28=0.02$
$0.36÷0.4=0.9$
$0.7×0.09=0.063$
$3.6×0.3=1.08$
$1.64+4.1=5.74$
$10÷20=0.5$
$24÷0.06=400$
$8.65×10=86.5$
$0.35×0.6=0.21$
$30.8×0.1=3.08$
$0.4×0.5=0.2$
$9.6÷0.8=12$
$0.108÷2=0.054$
$3.9÷0.13=30$
$3.9÷1.3=3$
$0.39÷13=0.03$
$0.39÷1.3=0.3$
$0.25×0.4=0.1$
$1.6÷0.8=2$
$1.25×0.8=1$
$0÷1.7=0$
$9.6÷8=1.2$
$5×0.24=1.2$

圈出得数等于8的算式

0.2×0.4
1.5+6.5
0.56÷0.7
0.8×11
0.01×8
1.6×5
0.64÷0.8
3.2÷0.4
0.5×40
0.2×4
8×2.5
10.9−2.9
3.2×30
0.2×40

0.2×0.4=0.08
1.5+6.5=8
0.56÷0.7=0.8
0.8×11=8.8
0.01×8=0.08
1.6×5=8
0.64÷0.8=0.8
3.2÷0.4=8
0.5×40=20
0.2×4=0.8
8×2.5=20
10.9−2.9=8
3.2×30=96
0.2×40=8
答：得数等于8的算式是1.5+6.5、1.6×5、3.2÷0.4、10.9−2.9、0.2×40。