Rage lambobi masu lamba biyu, lambobi uku da lambobi masu yawa ta hanyar ginshiƙi

A cikin wannan ɗaba'ar, za mu yi la'akari da dokoki da misalai masu amfani na yadda za'a iya cire lambobi na halitta (lambobi biyu, lambobi uku da lambobi masu yawa) a cikin ginshiƙi.

Dokokin Ragewa

Don nemo bambanci tsakanin lambobi biyu ko fiye tare da kowane adadin lambobi, za ku iya yin ragi na shafi. Don wannan:

1. Rubuta minuend a cikin layi mafi girma.
2. A ƙarƙashinsa za mu rubuta subtrahend na farko - ta yadda lambobi iri ɗaya na lambobi biyu suke ƙarƙashin juna (hukui ƙarƙashin goma, ɗaruruwa ƙarƙashin ɗaruruwa, da sauransu).
3. Hakazalika, muna ƙara wasu ƙananan ƙananan, idan akwai. Sakamakon haka, an kafa ginshiƙai masu lambobi daban-daban.
4. Zana layi a kwance a ƙarƙashin rubutattun lambobi, wanda zai raba minuend da cirewa daga bambanci.
5. Mu ci gaba zuwa rage lambobi. Ana yin wannan hanya daga dama zuwa hagu, daban don kowane ginshiƙi, kuma an rubuta sakamakon a ƙarƙashin layi a cikin ginshiƙi ɗaya. Akwai nuances guda biyu a nan:
   • Idan ba za a iya cire lambobin da ke cikin subtrahend daga lambobi a minuend ba, to, za mu ɗauki goma daga mafi girma, sa'an nan kuma dole ne mu yi la'akari da wannan a cikin ƙarin ayyuka. (duba Misali na 2).
   • Idan minuend sifili ne, wannan yana nufin kai tsaye cewa don yin ragi, kuna buƙatar aro daga lambobi na gaba. (duba Misali na 3).
   • Wani lokaci, sakamakon "lamuni", ƙila ba za a sami lambobi da suka rage a cikin babban lambobi ba (duba Misali na 4).
   • A lokuta da ba kasafai ba, lokacin da ake cirewa da yawa, ana buƙatar ba ɗaya ba, amma dozin biyu ko fiye a lokaci ɗaya. (duba Misali na 5).

Misalai na Rage Shagon

Misali 1

Rage 25 daga 68.

Misali 2

Bari mu lissafta bambanci tsakanin lambobi: 35 da 17.

Ƙarin bayani:

Tun da ba za a iya cire 5 daga lamba 7 ba, muna ɗaukar guda goma daga mafi mahimmancin lambobi. Sai dai itace 5 + = 10 15, 15-7 8 =. Kuma kar a manta da cire goma masu aiki daga nau'in da ya dace, watau 3-1=2-1=1.

Misali 3

Cire lamba 46 daga 70.

Ƙarin bayani:

Domin ba za a iya cire 6 daga sifili ba, muna ɗaukar guda goma. Sakamakon haka, 0 + = 10 10, 10-6 4 =. Sa'an nan kuma mu yi la'akari da goma shagaltuwa bayan an ragi a lamba ta gaba, watau 7-4-1 = 2.

Misali 4

Bari mu nemo bambanci tsakanin lambobi biyu da lambobi uku: 182 da 96.

Ƙarin bayani:

Rage 2 daga lamba 6 ba zai yi aiki ba, don haka muna ɗaukar guda goma. Mun samu 2 + = 10 12, 12-6 6 =. Ya rage cikin dozin 8-1 7 =, amma ba za a iya rage 7 daga 9 ko ɗaya ba, don haka muna aro goma daga ɗari: 7 + = 10 17, 17-9 8 =. Don haka, babu abin da ya rage a cikin ɗaruruwan kansu, saboda 1-1 0 =.

Misali 5

Rage daga 1465 lambobi 357, 214 da 78.

Ƙarin bayani:

A wannan yanayin, muna yin ayyuka iri ɗaya kamar a cikin misalan da suka gabata. Bambancin kawai shine lokacin da ake cirewa a cikin ginshiƙi mai raka'a, ana buƙatar ba ɗaya ba, amma goma biyu a lokaci ɗaya, watau. 5 + = 20 25, 25-7-4-8 = 6. A lokaci guda kuma, zai kasance a cikin rukuni na goma 4 (6-2).