8-0.55=
4.08×0.2=
10.07÷1.007=
8.5+4.7=
10÷0.25=
0.5÷0.02=
0.2÷0.4=
4.5÷0.05=
9x+6x=4.8
2(x-3)=5.8
3x-12×6=36
2.8÷0.2=
4.05-4=
3.6÷0.01=
1.25×8=
0.4÷8=
0÷3.9=
0.54÷6=
7.2÷0.6=
3.6÷1.2=
0.72÷0.9=
2.6÷13=
4.8÷0.4=
4.4÷4=
0.78÷6=
7.2÷0.4=
1÷0.25=
1.4×1=
6.2-2=
0.68×1000=
25÷0.1=
63÷9=
65÷1000=
7.2÷0.8=
44.3+55.7=
1.2÷0.3=
10.4×0.1=
0.7×0.9=
2-0.6=
4×2.5=
0÷0.26=
0.45÷0.9=
0.9-0.03=
0.6×11=
1.8+0.01=
5.4÷0.09=
0.45÷5=
2.6÷0.2=
3.4-2=
9.6÷2=
39÷1.3=
4.8×0=
1.4÷0.14=
0.125×8=
0.32×0.2=
4.2×2=
0.11×0.5=
2.37×0.1=
0.4×1.5=
0.5×0.8=
0.25×0.04=
1.8×0.04=
0.16×5=
1.2×100=
0.45×0.2=
图形的个数
1
2
3
4
5
6
……
拼出图形的周长
拼出的图形