0.7×0.9=
6.5-0.05=
2.7+3=
35÷70=
3.6÷1.8=
9.6÷0.4=
3.1×0.3=
0÷2.15=
3.5×0.2=
10÷0.5=
6×0.25=
0.63÷+0.9=
0.99÷0.01=
1.2×4=
3.9×0.01=
10a+3a=
0.3×0.2=
12.5×4=
4.9÷0.01=
0.14×50=
0.75×10=
2.1÷100=
0.1÷10=
9.1÷1.3=
售出台数
20
12
16
占总台数的几分之几
64000平方米=公顷 4.2升=毫升
= 90÷90%= =
= = 80×30%=
1÷1%= 4.5÷0.09=