Teko e khutšoane ka ho fetisisa ea IQ

Moprofesa Shane Frederick oa Setsi sa Theknoloji sa Massachusetts o thehile tlhahlobo e khuts'oane ea IQ e nang le lipotso tse tharo feela.

Ho latela koranta seiponeng Borithane, hore tlhahlobo ena e qapiloe ka 2005 ho tseba bokhoni ba ho tseba, 'me joale e se e phatlalalitsoe inthaneteng.

Lipotso li kenyelelitsoe tekong

1- Raka le bolo ea tenese li lekana $ 1.10 hammoho. Mme rakete e theko e phahameng ho feta bolo ka dolara e le 'ngoe.

Bolo ke bokae?

2- Mechini e mehlano fekthering ea masela e hlahisa likotoana tse hlano ka metsotso e mehlano.

Ho nka metsotso e mekae ho hlahisa likotoana tse 100?

3- Li mela letšeng la likhahla tsa metsi. Moo letsatsi le leng le le leng palo ea tsona e imena habeli, 'me hoa tsebahala hore likhahla tsena li ka koahela bokaholimo ba letša pele ho matsatsi a 48.

Likhahla li hloka matsatsi a makae ho koahela halofo ea letša?

Moo moprofesa a entseng teko eo ho eona batho ba ka bang likete tse tharo ba tsoang makaleng a fapaneng le maemong a fapaneng a thuto ba nkileng karolo, mme 17% ea bona ba atlehile ho fana ka karabo e nepahetseng lipotsong tsena. Moprofesa o supa hore teko qalong e bonahala e le bonolo, 'me e utloisiseha habonolo kamora ho hlakisoa, empa bakeng sa karabo e nepahetseng karabo e tlang kelellong pele e tlameha ho tloheloa.

likarabo tse tloaelehileng

Lipotso tsena ke lisente tse 10, metsotso e 100 le matsatsi a 24 ka tatellano. Empa likarabo tsena ha lia nepahala. hobane

likarabo tse nepahetseng

Haele hantle ke lisente tse 5, metsotso e 47 le matsatsi a XNUMX.

Tlhaloso ea likarabo ka tsela e latelang

Haeba theko ea 'mankhane le bolo li le' moho ke 1.10, 'me theko ea raka e feta theko ea bolo ka dolara e le' ngoe, 'me re nahana hore theko ea bolo ke "x", ebe theko ea bat le bolo hammoho ke "x + (x + 1)".

Ka mantsoe a mang, x + (x + 1) = 1.10

Sena se bolela hore 2x + 1 = 1.10

Ka mantsoe a mang, 2x = 1.10-1

2x = 0.10

x = 0.05

Ke hore, theko ea bolo "x" e lekana le lisente tse 5.

Haeba mechini e 5 ka leloaleng la masela e hlahisa likotoana tse 5 ka metsotso e 5, joale mochini ka mong o nka metsotso e 5 ho hlahisa sengoathoana se le seng. Haeba re ne re na le mechini e 100 e sebetsang 'moho, le bona ba ne ba tla hlahisa likotoana tse 100 ka metsotso e 5.

Haeba palo ea likhahla e imena habeli, ke hore, letsatsi ka leng le habeli letsatsi le fetileng, mme letsatsi ka leng le fetileng ke halofo ea letsatsi la hajoale, ho bolelang hore likhahla li tla koahela halofo ea letša ka letsatsi la 47.

المصدر: Lehong