566  Leg-Stamp
닭다리 개다리 2

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There are 190 heads of Chickens and Dogs together. Altogether there are 600 legs. How many chickens are there?



There are 130 heads of Chickens and Dogs together. Altogether there are 340 legs. How many chickens are there?



우리 안에 총 110 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 340 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 200 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 640 legs. How many chickens are there?

There are 180 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 970 cents. How many 4-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1260 cents. How many 6-cent stamps are there?



오늘 6원짜리 5원짜리 우표 총 120장을 사고, 670 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 180 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1200 cents. How many 5-cent stamps are there?



There are 140 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1070 cents. How many 8-cent stamps are there?

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