Kahe arvu summa on 82. Kui üht arvu suurendada 14 võrra ja teist vähendada 21 võrra, siis esimese ja teisehe o arvu van 27. Leia need arvud.

Question

Kahe arvu summa on 82. Kui üht arvu suurendada 14 võrra ja teist vähendada 21 võrra, siis esimese ja teisehe o arvu van 27. Leia need arvud.

K&V >> Matemaatika | Põhikool | 0 punkti | 1132 vaatamist | 20:36 01/03/21

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Vastuseid: 31 | Hääli: 7

399908 · Answer 1 · 2021-03-04T20:55:18+00:00

399908

2

37

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

20:55 04/03/21

396389 · Answer 2 · 2021-05-13T21:08:50+00:00

396389

1

ikka

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

21:08 13/05/21

413587 · Answer 3 · 2021-10-03T15:05:19+00:00

413587

1

(X+14)-(y-21)=27
x+y=82

x=82-y
(82-y+14)-(y-21)=27

82-y+14-y+21=27
-2y=-90

y=45
x=82-45

x=37

15:05 03/10/21

400608 · Answer 4 · 2022-04-18T20:34:49+00:00

400608

1

45 ja 37

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

20:34 18/04/22

Katherosen · Answer 5 · 2023-01-25T16:12:42+00:00

Katherosen

1

(X+14)-(y-21)=27 x+y=82 x=82-y (82-y+14)-(y-21)=27 82-y+14-y+21=27 -2y=-90 y=45 x=82-45 x=37

16:12 25/01/23

394069 · Answer 6 · 2023-02-19T13:07:16+00:00

394069

1

45 ja 37

13:07 19/02/23

laura.M. · Answer 7 · 2021-03-24T10:17:46+00:00

Need arvud on 37 ja 45

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

447616 · Answer 8 · 2023-01-31T14:39:29+00:00

37 ja 45

x+y=82 ja (x+14)-(y-21)=27
esimesest võrrandist x=82-y, asendan teise ja avan sulud: 82-y-y+21=27; saan -2y=-90, s.t. y=45 Seega teine arv on 45. Leian esimese arvu 82-45=37.

Adela · Answer 9 · 2023-01-19T15:30:10+00:00

Adela

0

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45

x=37

15:30 19/01/23

374830 · Answer 10 · 2024-02-18T15:45:45+00:00

esimene arv on 37 ja teine arv on 45.

x+y=82
(x+14)−(y−21)=27
x+14−y+21=27
x−y+35=27
x−y=27−35
x−y=−8
korrutame mõlema poole võrrandit -1-ga
−(x+y)=−82
−x−y=−82
−x−y+x−y=−8−82
−2y=−90
2y=90
y=90/2
y=45
x+45=82
x=82−45
x=37

Markos2006 · Answer 11 · 2022-12-01T19:01:07+00:00

Markos2006

0

Y=45 ja X=77

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

19:01 01/12/22

433356 · Answer 12 · 2022-05-18T17:43:12+00:00

(x+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37
vast used on 45 ja 37

432641 · Answer 13 · 2022-05-10T18:31:31+00:00

432641

0

45 ja 37

x+y=82
(x+14)-(y-21)=27
x=82-y
82-y+14-y+21=27
-2y=27-82-14-21
-2y=-90/(-2)
y=45
x=82-45
x=37

18:31 10/05/22

Gileadrol · Answer 14 · 2024-01-25T21:00:36+00:00

Gileadrol

0

45 ja 37

(X+14)-(y-21)=27
x+y=82

x=82-y
(82-y+14)-(y-21)=27

82-y+14-y+21=27
-2y=-90

y=45
x=82-45

x=37

21:00 25/01/24

395998 · Answer 15 · 2021-03-03T17:13:15+00:00

395998

0

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

17:13 03/03/21

422980 · Answer 16 · 2022-01-15T22:47:13+00:00

422980

0

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45

x=82-45
x=37

22:47 15/01/22

422490 · Answer 17 · 2022-01-10T20:04:10+00:00

422490

0

37 ja 45

(x+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

20:04 10/01/22

421172 · Answer 18 · 2021-12-15T18:38:19+00:00

421172

0

x=37

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=3

18:38 15/12/21

419942 · Answer 19 · 2021-12-03T14:23:16+00:00

Arvud: 37 ja 45

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

414983 · Answer 20 · 2021-10-17T12:48:05+00:00

414983

0

(x;y)=(71, 11)

12:48 17/10/21

ergo243 · Answer 21 · 2021-10-04T11:58:43+00:00

ergo243

0

444

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

11:58 04/10/21

hally · Answer 22 · 2021-09-02T13:44:28+00:00

hally

0

37 ja 45

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

13:44 02/09/21

tots96 · Answer 23 · 2021-05-18T16:32:32+00:00

tots96

0

mate

ma tegelt ei tea vastust aga tahaks punkte hihih

16:32 18/05/21

kaiumees · Answer 24 · 2021-05-18T16:13:26+00:00

kaiumees

0

37 ja 45

16:13 18/05/21

311105 · Answer 25 · 2021-05-14T08:52:45+00:00

311105

0

6 ja 47

08:52 14/05/21

YellowRaven · Answer 26 · 2021-05-10T14:16:18+00:00

YellowRaven

0

x=37 y=45

(x+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

14:16 10/05/21

katrerelve · Answer 27 · 2021-05-06T13:58:30+00:00

katrerelve

0

A=37, b=45

A+b=82
(A+14)-(b-21)=27
A=82-b
82-b+14-b+21=27
2b=90
B=45
A=82-45=37

13:58 06/05/21

miinasooster · Answer 28 · 2021-04-27T06:39:17+00:00

miinasooster

0

37

(X+14)-(y-21)=27
x+y=82 --> x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45 --> x=37

06:39 27/04/21

207708 · Answer 29 · 2021-03-18T19:13:09+00:00

207708

0

37

x+y=82
(x+14)-(y-21)=27

x=82-y

(82-y+14)-(y-21)=27

82-y+14-y+21=27

-2y=-90

y=45

x=82-45
x=37

19:13 18/03/21

Silinder123456 · Answer 30 · 2021-03-16T12:05:34+00:00

(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

Antud lahendus on õige

Acinajjj · Answer 31 · 2021-05-13T09:29:56+00:00

Vastus 37

Põhjalikult
(X+14)-(y-21)=27
x+y=82
x=82-y
(82-y+14)-(y-21)=27
82-y+14-y+21=27
-2y=-90
y=45
x=82-45
x=37

Kahe arvu summa on 82. Kui üht arvu suurendada 14 võrra ja teist vähendada 21 võrra, siis esimese ja teisehe o arvu van 27. Leia need arvud.

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