Question

Me ajudem dou 50 pontos

Answer 1

A/5=16/20
20A=80
A=80/20
A=4​ 

6/B=3/7
3B=42
B=42/3
B=14

81/C=9/13= D/39
81/C=9/13
9C=1053
C=1053/9
C=117

9/13=D/39
13D=351
D=351/13
D=27

6/11=48/E=F/33
6/11=48/E
6E=528
E=88

6/11=F/33
11F=198
F=198/11
F=18

Espero ter ajudado... Bons estudos.

Answer 2

Resposta:

A/5=16/20

20A=80

A=80/20

A=4​ 

6/B=3/7

3B=42

B=42/3

B=14

81/C=9/13= D/39

81/C=9/13

9C=1053

C=1053/9

C=117

9/13=D/39

13D=351

D=351/13

D=27

6/11=48/E=F/33

6/11=48/E

6E=528

E=88

6/11=F/33

11F=198

F=198/11

F=18

Explicação passo-a-passo:

ta na mao