6.6×3.4=22.44
6.66×33.4= 222.444
6.666×333.4=
6.66666×33333.4=
99.99×2=199.98
99.99×3=299.97
99.99×4=
99.99×7=
2.5÷50= 9.5÷0.5= 1.8÷1.8= 1.23÷12.3=
0.4×0.2= 0÷3.6= 2.5×0.4= 2.4÷3=