Question

[Ga'l wes]

Giúp với ạ :')

Answer 1

[꧁༺bủn༻꧂ (ɻɛɑm ʙáo cáo) + ( Team M A...]

i)  ta có tỉ lệ thức : 14/10=21/15

10/14=15/21

10/15=14/21

14/10=21/15 

Answer 2

[๖ۣۜᛕᕼôᑎǤ×͜×ᗪᗩᑎᕼ°ᵒ彡『ʈєɑɱ❖๖ۣۜƝƘ☆』]

i ) 14/10 = 21/15 ; 10/14 = 15/21 ; 15/10 = 21/14 ; 10/15 = 14/21

ii ) AB/2 = 3/CD ; 2/AB = CD/3 ; CD/2 = 3/AB ; 2/CD = AB/3 

iii ) AB/EF = GH/CD ; EF/AB = CD/GH ; CD/EF = GH/AB ; EF/CD = AB/GH

iv ) 4/5 = MN/AB ; 5/4 = AB/MN ; AB/5 = MN/4  ; 5/AB = 4/MN