MBI Matematika SD Edisi Desember 2011
Dec 15th, 2011 | By | Category: Masalah Bulan Ini SD
Oleh: Estina Ekawati, S.Si, M.Pd.Si
- Mr. White ultiples the first one hundred prime numbers. How many consecutive zero digits can be found at the end of the rseulting number?
- Jack and Ben are cycling from A to B. Jack travels at a speed of 15 km/hour while Ben travels at a speed of 12 km/hour. It takes Ben 15 minutes more to complete his travel than Jack does. What is the distance between A and B?
- Barbara writes numbers consisting of four digits: 3, 5, 7, and 9 according to the following rules.
- Digit 7 does not appear in the first nor the last positions
- Digit 7 should be to the roght of the digit 5. (For example, digit 5 in the number 7395 appears to the right of digits 7, 3, and 9). Find all such possible numbers.
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