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Todas as categorias

12 respostas

Pra uma pergunta desse nivel, vc deve estudar no máximo a 5ª série do Ensino Fundamental.

2006-09-29 04:19:24 · answer #1 · answered by Anonymous · 0 1

eu caho q é 28

2006-09-30 23:56:27 · answer #2 · answered by oziel cabral 1 · 0 0

26 e 14

2006-09-30 11:54:24 · answer #3 · answered by Anonymous · 0 0

x + y = 40
x - y = 12
------------------
2x= 52
x= 26, logo : 26 - y = 12
-y=12-26
-y= -14
(-1) y= 14 Resposta: os números são 26 e 14

2006-09-29 14:44:46 · answer #4 · answered by Regina C 3 · 0 0

x + y = 40
x - y = 12

x = 40 - y

(40-y)-y = 12
40-2y = 12
-2y= 12 - 40
-y = 6-20
-y= -14
y=14

x = 40-y
x= 40-14
x = 26

26+14 = 40
26-14 = 12

2006-09-29 07:49:09 · answer #5 · answered by sem_criatividade 2 · 0 0

26 e 14!!! e isso???

2006-09-29 04:27:35 · answer #6 · answered by ILO 1 · 0 0

os números sao o 14 e o 26, simples: voce pega o 40, subtrai 12 ficam 28, divide por dois dá 14, portanto um numero é o 14 o outro é 14 mais 12 igual a 26

2006-09-29 04:25:01 · answer #7 · answered by O XERETA 4 · 0 0

x + y = 40
x - y = 12

x = 40 - y

(40 - y) - y = 12
40 - 2y = 12
2y =28
y = 14

x + y = 40
x + 14 = 40
x = 26

2006-09-29 04:24:05 · answer #8 · answered by Mila 3 · 0 0

26 e 14

2006-09-29 04:18:29 · answer #9 · answered by Jota 5 · 0 0

26 e 14

2006-09-29 04:18:09 · answer #10 · answered by Anonymous · 0 0

69

kakakakakaka

2006-09-29 04:19:02 · answer #11 · answered by sala103unip 1 · 0 1

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