A) 1/2 + 1 1/3 - 1 1/4
B) 3- 2 1/2 + 1/4
Alguém poderia me ensinar resolver essas expressões passo a passo sem abreviar nada, por favor?
a) 1/2 + 4/3 - 5/4= (6+4*3-5*3)12 = mmc =12
(6+12-15)/12 = 3/12= 1/4
b) 3- 5/2 +1/4 = (3*4-5*2+1)/4 mmc=4
(12-10+1)4=3/4
espero ter ajudado!
vamos la
primeiro passaremos os numeros mistos em numeros racionais okkk
1 1/3 = 4/3
1 1/4 = 5/4 okkk
1/2+4/3-5/4 mmc = 12
(6+16-15)/12 = 7/12 okkkkk
B-
2 1/2 = 5/2 okkk
3-5/2+1/4 mmc= 4
(12-10+1)/4 = 3/4 okkkk
a)1/2+4/3-5/4=
mmc 2,3,4=12
(6+16-15)/12=7/12
b)3-5/2+1/4=
mmc 2,4=4
(12-10+1)/4=3/4
1 1/3 = 1 + 1/3 = 3/3 + 1/3 = 4/3
1 1/4 = 1 + 1/4 = 4/4 + 1/4 = 5/4
1/2 + 4/3 - 5/4
1/2 = 6/12
4/3 = 16/12
5/4 = 15/12
6/12 + 16/12 - 15/12 = (6 + 16 - 15)/12 = 7/12
2 1/2 = 2 + 1/2 = 4/2 + 1/2 = 5/2
3 - 5/2 + 1/4
3 = 12/4
5/2 = 10/4
1/4 = 1/4
12/4 - 10/4 + 1/4 = (12 - 10 + 1)/4
mmc(2,3,4) = 12
mmc(2,4) = 4
12/4 - 10/4 + 1/4 = (12 - 10 + 1)/4 = 3/4
pronto
1/2 + 4/3 - 5/4 ..mmc 12
(6+16-15) /12 = 7/12
3- 5/2 + 1/4 ..mmc 4
(12-10+1) /4 = 3/4
Olá Internauta.
Questão A)
x = 1/2 + 1 1/3 - 1 1/4
x = 1/2 + 4/3 - 5/4 ---------------> MMC DOS DENOMINADORES = 12
x = 6/12 + 16/12 - 15/12
x = (6+16+15)/12
x = 37/12
Questão B
y = 3- 2 1/2 + 1/4
y = 3 - 5/2 + 1/4 --------> MMC = 12
y = 36/12 - 30/12 + 3/12
y = 69/12
y = 23/4
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Answers & Comments
Verified answer
a) 1/2 + 4/3 - 5/4= (6+4*3-5*3)12 = mmc =12
(6+12-15)/12 = 3/12= 1/4
b) 3- 5/2 +1/4 = (3*4-5*2+1)/4 mmc=4
(12-10+1)4=3/4
espero ter ajudado!
vamos la
primeiro passaremos os numeros mistos em numeros racionais okkk
1 1/3 = 4/3
1 1/4 = 5/4 okkk
1/2+4/3-5/4 mmc = 12
(6+16-15)/12 = 7/12 okkkkk
B-
2 1/2 = 5/2 okkk
3-5/2+1/4 mmc= 4
(12-10+1)/4 = 3/4 okkkk
a)1/2+4/3-5/4=
mmc 2,3,4=12
(6+16-15)/12=7/12
b)3-5/2+1/4=
mmc 2,4=4
(12-10+1)/4=3/4
A) 1/2 + 1 1/3 - 1 1/4
1 1/3 = 1 + 1/3 = 3/3 + 1/3 = 4/3
1 1/4 = 1 + 1/4 = 4/4 + 1/4 = 5/4
1/2 + 4/3 - 5/4
1/2 = 6/12
4/3 = 16/12
5/4 = 15/12
6/12 + 16/12 - 15/12 = (6 + 16 - 15)/12 = 7/12
B) 3- 2 1/2 + 1/4
2 1/2 = 2 + 1/2 = 4/2 + 1/2 = 5/2
3 - 5/2 + 1/4
3 = 12/4
5/2 = 10/4
1/4 = 1/4
12/4 - 10/4 + 1/4 = (12 - 10 + 1)/4
A) 1/2 + 1 1/3 - 1 1/4
1 1/3 = 1 + 1/3 = 3/3 + 1/3 = 4/3
1 1/4 = 1 + 1/4 = 4/4 + 1/4 = 5/4
1/2 + 4/3 - 5/4
mmc(2,3,4) = 12
1/2 = 6/12
4/3 = 16/12
5/4 = 15/12
6/12 + 16/12 - 15/12 = (6 + 16 - 15)/12 = 7/12
B) 3- 2 1/2 + 1/4
2 1/2 = 2 + 1/2 = 4/2 + 1/2 = 5/2
3 - 5/2 + 1/4
mmc(2,4) = 4
3 = 12/4
5/2 = 10/4
1/4 = 1/4
12/4 - 10/4 + 1/4 = (12 - 10 + 1)/4 = 3/4
pronto
A) 1/2 + 1 1/3 - 1 1/4
1/2 + 4/3 - 5/4 ..mmc 12
(6+16-15) /12 = 7/12
B) 3- 2 1/2 + 1/4
3- 5/2 + 1/4 ..mmc 4
(12-10+1) /4 = 3/4
Olá Internauta.
Questão A)
x = 1/2 + 1 1/3 - 1 1/4
x = 1/2 + 4/3 - 5/4 ---------------> MMC DOS DENOMINADORES = 12
x = 6/12 + 16/12 - 15/12
x = (6+16+15)/12
x = 37/12
Questão B
y = 3- 2 1/2 + 1/4
y = 3 - 5/2 + 1/4 --------> MMC = 12
y = 36/12 - 30/12 + 3/12
y = 69/12
y = 23/4