825  Leg-Stamp
닭다리 개다리 2

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There are 140 heads of Chickens and Dogs together. Altogether there are 340 legs. How many chickens are there?



There are 120 heads of Chickens and Dogs together. Altogether there are 320 legs. How many chickens are there?



우리 안에 총 160 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 460 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 250 heads of Chickens and Dogs together. Altogether there are 720 legs. How many chickens are there?



There are 210 heads of Chickens and Dogs together. Altogether there are 660 legs. How many chickens are there?

There are 150 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 650 cents. How many 4-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1560 cents. How many 8-cent stamps are there?



오늘 3원짜리 5원짜리 우표 총 260장을 사고, 1000 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 130 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 440 cents. How many 3-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1040 cents. How many 5-cent stamps are there?

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