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=