746  Leg-Stamp
닭다리 개다리 2

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There are 190 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



There are 170 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



우리 안에 총 170 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 400 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 150 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?



There are 120 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?

There are 180 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1110 cents. How many 8-cent stamps are there?



There are 170 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1200 cents. How many 6-cent stamps are there?



오늘 8원짜리 6원짜리 우표 총 250장을 사고, 1780 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 230 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 1070 cents. How many 5-cent stamps are there?



There are 180 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1160 cents. How many 4-cent stamps are there?

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