4. Phép trừ (có nhớ) trong phạm vi 1 000

 


 



Accessibility
Reset All

Background Colour Background Colour

Font Face Font Face

Font Kerning Font Kerning

Font Size Font Size

1

Image Visibility Image Visibility

Letter Spacing Letter Spacing

0

Line Height Line Height

1.2

Link Highlight Link Highlight

Text Colour Text Colour