2024 Tus sau: Malcolm Clapton | [email protected]. Kawg hloov kho: 2023-12-17 03:58
Xam pes tsawg qhov kev mus ncig uas koj yuav tsum tau mus rau hauv pem teb xav tau.
Victor nyob hauv ib lub tsev 20-storey. Lub elevator ntawm nws txoj kev nkag yog tsis muaj kev txiav txim, yog li tsuas yog ob lub nyees khawm ua haujlwm hauv lub tsheb. Thaum koj nias rau ntawm ib qho, lub elevator nce 13 pem teb, thaum koj nyem rau lwm qhov, nws nqis mus rau 8. Victor tuaj yeem tau txais los ntawm 13th pem teb mus rau 8th rau phooj ywg?
Qhov teeb meem tuaj yeem daws tau ntau txoj hauv kev. Cia peb saib ntawm txoj kev classic ua ntej.
Lub elevator tsis tuaj yeem mus dhau ntawm thaj tsam ntawm cov plag tsev. Yog tias Victor, nyob rau hauv pem teb 13th, nias lub pob "Up", lub elevator yuav tsis ncav cuag 26th pem teb, vim tias tsuas yog tsis muaj elevator hauv tsev. Nws hloov tawm hais tias Victor yuav tsum mus down:
1. 13 − 8 = 5.
Los ntawm 5th pem teb nws tsuas tuaj yeem nce mus, vim tias tsis muaj "txo 3" pem teb hauv tsev. Qhov no txhais tau hais tias Victor tuaj yeem nce lossis nqis tsuas yog tias cov plag tsev tso cai rau nws. Ntawd yog, nws ib txwm muaj ib qho kev xaiv, qhov twg khawm nias. Koj yuav tau txais keeb kwm taug kev hauv qab no:
2. 5 + 13 = 18.
3. 18 − 8 = 10.
4. 10 − 8 = 2.
5. 2 + 13 = 15.
6. 15 − 8 = 7.
7. 7 + 13 = 20.
8. 20 − 8 = 12.
9. 12 − 8 = 4.
10. 4 + 13 = 17.
11. 17 − 8 = 9.
12. 9 − 8 = 1.
13. 1 + 13 = 14.
14. 14 − 8 = 6.
15. 6 + 13 = 19.
16. 19 − 8 = 11.
17. 11 − 8 = 3.
18. 3 + 13 = 16.
19. 16 − 8 = 8.
Hauv 19 qhov kev mus ncig, Victor thaum kawg yuav mus txog hauv pem teb uas nws tus phooj ywg tos nws.
Tam sim no cia peb saib txoj hauv kev tseem ceeb dua.
Feem ntau, lub elevator nce mus txog qhov siab tshaj plaws lossis qis tshaj hauv pem teb thiab nres, tsis hais tias yuav tsum tau tsav tsheb ntau npaum li cas. Victor tuaj yeem siv qhov zoo ntawm qhov no thiab mus rau nws tus phooj ywg sai dua. Nov yog yuav ua li cas:
1. 13 − 8 = 5.
2. 5 - 8 = 1 (lub nqa mus txog 1st pem teb thiab nres, nws tsis tuaj yeem mus hauv qab).
3. 1 + 13 = 14.
4. 14 − 8 = 6.
5. 6 + 13 = 19.
6. 19 − 8 = 11.
7. 11 − 8 = 3.
8. 3 + 13 = 16.
9. 16 − 8 = 8.
Voila! Victor tau mus rau pem teb txoj cai hauv 9 mus ncig. Zoo tshaj 19!
Qhia teb Nthuav teb
Thawj qhov teeb meem tuaj yeem pom ntawm no.
Pom zoo:
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