3.7+3=3.7×3 0.9÷1.50.9×1.5
9.99÷0.01999×0.01 0.21×0.210.21÷0.21
0.08÷8=
5.6÷0.8=
9.3÷3=
3.3÷1.1=
1.8÷0.3=
2.1÷7=
1.5÷0.5=
0.51÷0.17=