359  Leg-Stamp
닭다리 개다리 2

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There are 90 heads of Chickens and Dogs together. Altogether there are 240 legs. How many chickens are there?



There are 180 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?



우리 안에 총 230 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 640 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 260 heads of Chickens and Dogs together. Altogether there are 760 legs. How many chickens are there?



There are 140 heads of Chickens and Dogs together. Altogether there are 360 legs. How many chickens are there?

There are 220 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1520 cents. How many 6-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 810 cents. How many 6-cent stamps are there?



오늘 6원짜리 7원짜리 우표 총 260장을 사고, 1680 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 130 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 850 cents. How many 5-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1600 cents. How many 8-cent stamps are there?

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