计算
0.8×0.3=
6.7+4=
91.5÷100=
3.6×5=
2.7×0.4=
0.8×3.6×1.25=
72.8÷4=
9.6÷0.24=
5.5×6=
0.5×2.9×2=
13.56+3=
72÷0.8=
6.8×4=
7.8×0.5=
2.4×5=
63÷0.9=
1.5×0.06=
0.67×1000=
27÷300=
6.3−0.7=
3.6÷90=
1.8×5=
8.8÷20=
6.4×40=
0.92×8=
0.4×1.25×4=
9.9÷3=
5.4÷0.06=
8.1÷0.9=
7.2+2.8=
9.1×30=
1.1×0.7=
5.6×0.4=
7.2÷3=
4.8×20=
12.6÷0.3=

0.8×0.3=0.24
6.7+4=10.7
91.5÷100=0.915
3.6×5=18
2.7×0.4=1.08
0.8×3.6×1.25=3.6
72.8÷4=18.2
9.6÷0.24=40
5.5×6=33
0.5×2.9×2=2.9
13.56+3=16.56
72÷0.8=90
6.8×4=27.2
7.8×0.5=3.9
2.4×5=12
63÷0.9=70
1.5×0.06=0.09
0.67×1000=670
27÷300=0.09
6.3−0.7=5.6
3.6÷90=0.04
1.8×5=9
8.8÷20=0.44
6.4×40=256
0.92×8=7.36
0.4×1.25×4=2
9.9÷3=3.3
5.4÷0.06=90
8.1÷0.9=9
7.2+2.8=10
9.1×30=273
1.1×0.7=0.77
5.6×0.4=2.24
7.2÷3=2.4
4.8×20=96
12.6÷0.3=42

简便计算
$0.125×2.7×8$
$4.3×2.9+2.9×5.7$
$(8+4)×0.25$
$9×13.78+13.78$

$0.125×2.7×8$
$=0.125×8×2.7$
$=1×2.7$
$=2.7$
$4.3×2.9+2.9×5.7$
$=2.9×(4.3+5.7)$
$=2.9×10$
$=29$
$(8+4)×0.25$
$=8×0.25+4×0.25$
$=2+1$
$=3$
$9×13.78+13.78$
$=13.78×(9+1)$
$=13.78×10$
$=137.8$