6.4÷0.8=
8×2.5=
0.2+0.78=
0.99×1.25×8=
6.6÷0.6=
1.8×0.3=
0.1﹣0.02=
3.8×8.2+3.8×1.8=
0.65×4=
0.99÷0.3=
1﹣0.2÷0.2=
10x﹣8x=