0:00:00.730,0:00:03.457 Nan videyo sa a mwen vle familyarize tèt nou 0:00:03.457,0:00:04.768 ak negatif anpil moun. 0:00:04.768,0:00:07.564 Et aprann tou yon ti kras sou kòmann yo fè nou ajoute Et retire yo. 0:00:07.564,0:00:09.326 Lè ou fèk kontre yo, 0:00:09.326,0:00:11.612 yo sanble nan gwo basen byen fon Et mistik bagay sa a. 0:00:11.612,0:00:14.769 Lè nou fèk konte bagay, nou ap konte moun pozitif. 0:00:14.769,0:00:17.346 Sa fè yon bann negatif menm mechan? 0:00:17.346,0:00:20.835 Men, lè nou panse osijè de sa, ou kapab byen ont rencontré 0:00:20.835,0:00:22.905 numéros negatif nan lavi chak jou ou. 0:00:22.905,0:00:25.195 Et, kite m' sèlman fè ou kèk egzanp. 0:00:25.195,0:00:26.412 Se konsa, anvan sa, m' ap moutre a, jeneral lide an se 0:00:26.412,0:00:30.674 anpil negatif se yon nimewo mwens ke zewo. 0:00:30.674,0:00:34.839 Mwens ke zewo. 0:00:34.839,0:00:37.191 Et si ki sanble lòt Et résumé pou nou la a, 0:00:37.191,0:00:39.851 an n jis panse osijè de li nan yon koup diferan contextes. 0:00:39.851,0:00:45.251 Si mwen gen... Si nou ap mezire tanperati a... 0:00:45.251,0:00:47.114 (e li kapab nan Celsius ou Farenheit, 0:00:47.114,0:00:49.881 Men, Ann èspere jis di nou ap mezire li nan Celsius), 0:00:49.881,0:00:51.878 Se konsa se pou m' fè yon ti kal 0:00:51.878,0:00:53.707 pou nou ka mezire tanperati a sou. 0:00:53.707,0:00:57.099 Se konsa nou di ke sa se 0° Celsius 0:00:57.099,0:01:02.909 sa se 1° Celsius, 2° Celsius, 3° Celsius. 0:01:02.924,0:01:05.817 Koulye a, an n di li se yon jou vrèman fè frèt 0:01:05.817,0:01:10.296 Et, ki aktyèlman 3° Celsius. 0:01:10.296,0:01:12.004 Ak yon moun ki te pwedi a tan kap vini 0:01:12.004,0:01:16.976 di ou ke li pwal gen 4° plus jou kap vini a. 0:01:16.976,0:01:21.502 Se konsa jan frèt pral rive? Ki jan ou kapab repwezante coldness sa? 0:01:21.502,0:01:25.126 Men, si li apèn 1° plus li ta nan 2°, 0:01:25.126,0:01:26.874 Men, nou konnen nou gen pou ale 4° plus. 0:01:26.874,0:01:32.068 Si nou a 2° plus, nou ta gen nan 1°. 0:01:32.068,0:01:35.311 Si nou a 3° plus, nou ta gen nan 0°. 0:01:35.311,0:01:38.453 Men, 3° pa suffisante, nou dwe genyen 4° plus, 0:01:38.453,0:01:43.965 Se konsa nou gen aktyèlman ale yon lòt anba zewo. 0:01:43.965,0:01:50.416 Et sa 1 pi ba pase 0 nou rele sa "1 negatif". 0:01:50.416,0:01:52.907 Se konsa, ou kapab ti jan wè sa liy nimewo 0:01:52.907,0:01:57.029 menm jan ou fè bò dwat la zewo yo ogmante nan valè pozitif, 0:01:57.029,0:02:04.207 menm jan ou al sou bò gòch la zewo ou pwal gen-1,-2,-3. 0:02:04.207,0:02:07.301 Et, ou pral fè en fonction sou kijan ou panse osijè de li- 0:02:07.301,0:02:09.948 ou pral fè gen pi gwo nimewo negatif. 0:02:09.948,0:02:15.372 Men, mwen vle fè sa trè klè:-3, ki se MWENS ke-1. 0:02:15.372,0:02:19.488 Pa gen mwens chalè nan lè a nan-3 ° pase nan-1 °. 0:02:19.488,0:02:23.329 Li plus---pa gen mwens tanperati. 0:02:23.329,0:02:39.824 Se pou m' sèlman fè li trè klè:-100 pi piti anpil pase-1. 0:02:39.824,0:02:41.913 Ou ka chèche nan 100 Et ou te ka gade nan 1 Et 0:02:41.913,0:02:45.094 reyaksyon wo sak trip ou peut être 100 pi gwo pase 1. 0:02:45.094,0:02:46.272 Men, lè ou panse osijè de sa, 0:02:46.272,0:02:48.849 -100 vle di pa gen yon mank de yon bagay. 0:02:48.849,0:02:52.304 -100: Si se-100 ° pa gen yon mank de solèy. 0:02:52.304,0:02:55.737 Se konsa pa gen pi rèd chalè isit la pase si nou te gen-1 °. 0:02:55.737,0:02:57.493 Kite m ba ou yon lòt egzanp. 0:02:57.493,0:03:11.264 An n di nan kont labank m' jòdi a mwen gen $10. 0:03:11.264,0:03:13.114 Koulye a, an n di mwen ale la 0:03:13.114,0:03:14.949 (paske m santi m byen osijè de m $10), 0:03:14.949,0:03:21.426 Et, an n di mwen ale, pase $30. 0:03:21.426,0:03:22.735 Et, for the sake of chire pit 0:03:22.735,0:03:24.275 an n di mwen gen yon bank anpil likid 0:03:24.275,0:03:26.861 Lè sa a, yonn pou m ' depanse plis lajan mwen gen 0:03:26.861,0:03:28.354 (Et sa yo aktyèlman ekziste!). 0:03:28.354,0:03:30.422 Se konsa, mwen pase $30. 0:03:30.422,0:03:32.907 Se konsa m' kont anbank sak sanble? 0:03:32.907,0:03:35.564 Se pou m' trase yon liy nimewo isit la. 0:03:35.564,0:03:37.839 Apre sa, nou ka deja gen yon repons intuitive: 0:03:37.839,0:03:43.284 Mwen pral dwe bank la yon lajan. 0:03:43.284,0:03:47.130 Denmen, ki sa ki kont labank m? 0:03:47.130,0:03:51.642 Nou te imedyatman di: "si m gen $10 Et mwen pase $30, 0:03:51.642,0:03:54.219 pa gen $20 sa yo te gen pou leve soti yon kote." 0:03:54.219,0:03:56.489 Et sa $20 ap soti nan bank lan. 0:03:56.489,0:03:59.119 Se konsa mwen pral dwe $20, bank lan. 0:03:59.119,0:04:00.789 Poutèt sa, m' kont anbank, nan 0:04:00.789,0:04:07.199 pou montre konbyen m, mwen te kapab di $10 - $30-$20. 0:04:07.199,0:04:13.345 Se konsa nan kont bank mwen denmen, mwen pral gen-$20. 0:04:13.345,0:04:18.075 Se konsa, si mwen di: mwen gen-$20, sa vle di mwen dwe bank lan. 0:04:18.075,0:04:19.357 ---Mwen pa bezwen sa. 0:04:19.357,0:04:20.946 Se pa sa sèlman, èske mwen pa gen anyen, mwen pa dwe yon bagay. 0:04:20.946,0:04:22.535 Li pwal nan inverse. 0:04:22.535,0:04:25.589 Isit la, mwen gen yon bagay ase... 0:04:25.589,0:04:29.228 Si m $10 nan kont labank m' vle di nan bank lan fè prete m $10. 0:04:29.228,0:04:31.817 M fè $10 sa mwen ka itilize pou ale pase. / kè m boule m. 0:04:31.817,0:04:33.390 Koulye a, tout de yon soudaine mwen dwe bank lan. 0:04:33.390,0:04:34.963 Mwen te al lòt bò. 0:04:34.963,0:04:36.778 Si nou itilize yon liy nimewo isit la 0:04:36.778,0:04:38.593 li ta dwe fè, plis konprann. 0:04:38.593,0:04:39.832 Se poutèt sa se 0. 0:04:39.832,0:04:43.347 M ap konmanse ak $10, 0:04:43.347,0:04:47.417 Et depans $30 vle di m ap fè mache 30 sou bò gòch. 0:04:47.417,0:04:49.848 Si mwen jwe 10 mache sou bò gòch--- 0:04:49.848,0:04:52.804 Si mwen sèlman pase $10 m ap tounen nan $0. 0:04:52.804,0:04:56.829 Si mwen pase yon lòt $10, m' ap fè nan-$10. 0:04:56.829,0:05:02.208 Si mwen pase yon lòt $10 Apre sa, m' ap nan-$20. 0:05:02.208,0:05:04.483 Se konsa, chak de distans sa yo, m' ap pase $10 mwen ki pwal nan $0. 0:05:04.483,0:05:06.759 Yon lòt $10 mwen ki pwal nan-$10. 0:05:06.759,0:05:09.754 Yon lòt $10 mwen ki pwal nan-$20. 0:05:09.754,0:05:13.144 Se poutèt sa a an antye distans isit la se konbyen mwen te pase. 0:05:13.144,0:05:17.270 Mwen te pase $30. 0:05:17.270,0:05:20.398 Se konsa lide jeneral an lè ou pase, ou si ou retire, 0:05:20.398,0:05:23.327 ou obtenir plus, ou ta deplase pou sou bò gòch. 0:05:23.327,0:05:24.803 Anpil moun la ta gen pi piti. 0:05:24.803,0:05:27.229 E nou konnen koulye a yo ka jwenn menm pi piti 0. 0:05:27.229,0:05:31.604 Yo kapab ale pou-1,-2---yo ka menm al pou-1.5,-1.6. 0:05:31.604,0:05:34.948 La pi byen toujou negatif, plis ou pèdi. 0:05:34.948,0:05:37.268 Si ou gen ajout, si mwen ale, pran m' lajan taks sou chèk 0:05:37.268,0:05:41.389 Mwen pral fè mouvman pou dwa liy nimewo a. 0:05:41.389,0:05:43.058 Koulye a, ak pye, sa 0:05:43.058,0:05:46.082 an n jis fè kèk plis nan matematik pwoblèm. 0:05:46.082,0:05:52.317 Kisa sa vle di, si nou te gen pou di... 0:05:52.317,0:05:56.474 An n pale, 3-4. 0:05:56.474,0:05:57.710 Se konsa yon fwa ankò, 0:05:57.710,0:06:00.193 sa se exactement sitiyasyon nou te fè ak tanperati a. 0:06:00.193,0:06:01.944 Nou ap konmanse ak 3 Et nou ap soustrayant 4, 0:06:01.944,0:06:03.695 Se poutèt sa, nou pral pou yo avanse 4 sou bò gòch. 0:06:03.695,0:06:05.854 Nou ale 1, 2, 3, 4. 0:06:05.854,0:06:10.417 Ki jwenn nou pou-1. 0:06:10.417,0:06:11.767 Lè ou konmanse fè sa 0:06:11.767,0:06:13.934 ou vrèman konprann ki yon negatif nimewo mwayen. 0:06:13.934,0:06:15.843 Mwen reyèlman ankouraje w visualiser liy nimewo a 0:06:15.843,0:06:17.752 Et vrèman deplase nan men l' sou en 0:06:17.752,0:06:19.961 èske ou gen ajout ou soustrayant. 0:06:19.961,0:06:21.236 An n fè kèk ankò. 0:06:21.236,0:06:27.848 An n di mwen gen 2-8 0:06:27.848,0:06:30.552 (e nou ap panse osijè de lòt fason pou fè sa a nan pwochen vidéos), 0:06:30.552,0:06:33.612 Men, yon fwa ankò, ou jis vle fè liy nimewo a. 0:06:33.612,0:06:35.083 Ou gen yon 0 isit la. 0:06:35.083,0:06:38.729 Nan (kite m' trase espacement a yon ti kras). 0:06:38.729,0:06:42.032 Nou gen 0 isit la... nan 1... 2. 0:06:42.032,0:06:43.891 Si nou gen soustrayant 8, 0:06:43.891,0:06:47.043 sa vle di nou pwal pou yo avanse 8 sou bò gòch. 0:06:47.043,0:06:50.993 Se konsa nou pral fè bò gòch, 2 sou bò gòch 1. 0:06:50.993,0:06:53.036 Se konsa, nou te ale 2 sou bò gòch pou ale 0. 0:06:53.036,0:06:55.080 Nou gen pou yo avanse ki kantite ankò sou bò gòch? 0:06:55.080,0:06:56.961 Nou deja te deplase 2 sou bò gòch, 0:06:56.961,0:06:59.010 pou jwenn pou 8, nou gen pou yo avanse 6 plis sou bò gòch. 0:06:59.010,0:07:07.396 Se konsa nou pral gen pou yo avanse 1-2-3-4-5-6 ankò sou bò gòch. 0:07:07.396,0:07:09.106 Men, kote sa pwal fè nou? 0:07:09.106,0:07:10.074 Men, nou te nan 0. 0:07:10.074,0:07:18.706 Sa se-1,-2,-3,-4,-5,-6. 0:07:18.706,0:07:24.310 Se konsa, 2-8 se-6. 0:07:24.310,0:07:26.540 2-2 ki ta 0. 0:07:26.540,0:07:29.633 Lè w ap soustrayant 8 ou ap soustrayant 6 yon lòt. 0:07:29.633,0:07:33.366 Se konsa nou ale nan-6, nou pase 6 pi ba pase 0. 0:07:33.366,0:07:34.994 Pou m' fè youn nan ekzanp plis. 0:07:34.994,0:07:36.562 (Et sa a pral yon ti kras mwens classiques 0:07:36.562,0:07:38.807 Men, li pral fè sans). 0:07:38.807,0:07:43.976 Ann pran... (e mwen pwal fè sa nan yon nouvo koulè)... 0:07:43.976,0:07:47.870 Kite m' wete-4-2. 0:07:47.870,0:07:49.439 Se konsa nou ap kòmanse nan anpil negatif 0:07:49.439,0:07:51.009 Apre sa, lè sa a nou ap soustrayant pou sa. 0:07:51.009,0:07:56.808 Koulye a, si sa semble ki pa klè jis sonje liy nimewo a! 0:07:56.838,0:07:59.680 Se poutèt sa se isit-0. 0:07:59.680,0:08:07.015 Sa se-1,-2,-3,-4. Se konsa, sa se kote nou ap kòmanse. 0:08:07.015,0:08:09.279 Kounye a nou pwal retire 2 de-4, 0:08:09.279,0:08:11.543 Se poutèt sa, nou pral pou yo avanse 2 sou bò gòch. 0:08:11.543,0:08:15.387 Se konsa, si nou retire 1 nou ap fè nan-5. 0:08:15.387,0:08:21.723 Si nou retire yon lòt 1 nou pwal gen nan-6. 0:08:21.723,0:08:23.332 Se poutèt sa se-6. 0:08:23.332,0:08:24.748 An n fè yon lòt bagay enteresan. 0:08:24.748,0:08:30.266 An n kòmanse nan-3... Ann di nou gen-3. 0:08:30.266,0:08:34.261 Olye ke yo soustrayant yon bagay sòti de sa, an n ajoute 2. 0:08:34.261,0:08:36.562 Se konsa kote ta sa a mete nou sou liy nimewo a? 0:08:36.562,0:08:39.389 Se konsa nou ap kòmanse nan-3 e nou ap ajout 2. 0:08:39.389,0:08:42.217 Se konsa nou pwal deplase pou dwa. 0:08:42.217,0:08:44.750 Se konsa, ou ajoute 1, ou vin-2 0:08:44.750,0:08:46.760 Men, si ou ajoute yon lòt 1 (sa nou dwe fè), 0:08:46.760,0:08:47.969 ou vin-1. 0:08:47.969,0:08:49.394 Ou fè mouvman 2 pou dwa. 0:08:49.394,0:08:54.395 Se konsa,-3 plis pase 2 se-1. 0:08:54.395,0:08:55.957 Et, ou kapab wè pou ou menm, 0:08:55.957,0:08:59.934 tout sa a pi byen chita sou nou tradisyonèl nosyon de ajout Et soustrayant. 0:08:59.934,0:09:05.399 Si nou kòmanse nan-1 epi nou retire 2, nou ta dwe jwenn-3. 0:09:05.399,0:09:07.506 Ti jan de bagay sa a la anwo inverse. 0:09:07.506,0:09:09.637 -3 plis pase 2 obtient nou la. 0:09:09.637,0:09:11.229 Et si nou kòmanse la ak nou retire 2 0:09:11.229,0:09:12.514 nou ta dwe tounen pou-3. 0:09:12.514,0:09:13.429 Apre sa, nou wè sa. 0:09:13.429,0:09:17.634 Si ou konmanse nan-1, droit sou isit la, 0:09:17.634,0:09:20.469 Apre sa, ou retire 2, ou jwe 2 sou bò gòch. 0:09:20.469,0:09:22.106 Ou fin tounen-3. 0:09:22.106,0:09:25.322 Se konsa, sa commence ba ou yon sans de sa sa vle di 0:09:25.322,0:09:29.028 pou kontra avèk ou ajoute Et retire negatif anpil moun. 0:09:29.028,0:09:31.337 Men, nou pwal bay anpil ekzanp yo nan videyo kap vini an. 0:09:31.337,0:09:32.475 E nou aktyèlman pral wè kisa sa vle di 0:09:32.475,0:09:35.337 pou retire negatif anpil.