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1, 2, 3, 4 =a 28
2, 3, 4, 5= a 28
3, 4, 5,6= a 28
4, 5, 6, 7=a 28

vc pode usar os numeros em qualquer ordem usando + - x / e o resultado tem que dar 28 no final, vamos lá pence....

2006-10-24 12:03:16 · 9 respostas · perguntado por ivangtt 1 em Ciências e Matemática Matemática

9 respostas

Deu um pouco de trabalho, mas aí vão as respostas:

(1+(2*3))*4 = 28
((5*2)-3)*4 = 28
((6/3)+5)*4 = 28
((6-5)*7)*4 = 28

2006-10-24 12:55:19 · answer #1 · answered by manp 2 · 1 0

Isso é fácil demais:

4x(1+(2x3))=28
4x(3-(2x5))=28
4x(5+(6/3))=28
4x(7x(6-5))=28

2006-10-25 02:43:27 · answer #2 · answered by Anonymous · 0 0

1 [1+(2*3)]*4=28
2 sei la
3 (6/3+5)*4=28
4 (6-5)*4*7=28

2006-10-24 12:42:57 · answer #3 · answered by Luiz Felipe A 3 · 0 0

2 x 4 x 3 + 4 x 1 = 28
3 x 5 + 5 + 4 + 2 + 2 = 28
6 x 5 - 4 + 3 - 5 + 4 = 28
7 x 6 - 4 x 5 + 4 - 5 + 7 = 28

Aí... pensei demais :)

2006-10-24 12:31:51 · answer #4 · answered by Hellen 2 · 0 0

(1+2*3)*4
(2*5 - 3) *4
(6/3 + 5)*4
4*7*(6-5)

2006-10-24 12:26:01 · answer #5 · answered by A. O' Neal 3 · 0 0

aaaaaahhhh...eu so conoseguir resolver o primeiro...que é:
2x3=6+1=7x4=28

2006-10-24 12:25:06 · answer #6 · answered by Kitty 3 · 0 0

3-1,2x4
5-3,2x4
etc..

2006-10-24 12:11:58 · answer #7 · answered by pedro zanella 2 · 0 0

2x3+1x41ª

2006-10-24 12:11:49 · answer #8 · answered by Anonymous · 0 0

Meu amigo vc pode até entender de matemática, mas de português a coisa vai mal.....pence com C, ninguém merece.

2006-10-24 12:06:29 · answer #9 · answered by Tôco L 2 · 0 0

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