864  Leg-Stamp
닭다리 개다리 2

Name : _________________

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There are 220 heads of Chickens and Dogs together. Altogether there are 640 legs. How many chickens are there?



There are 250 heads of Chickens and Dogs together. Altogether there are 740 legs. How many chickens are there?



우리 안에 총 90 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 280 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 170 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?

There are 250 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1640 cents. How many 8-cent stamps are there?



There are 140 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 840 cents. How many 3-cent stamps are there?



오늘 7원짜리 8원짜리 우표 총 210장을 사고, 1580 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 150 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 970 cents. How many 7-cent stamps are there?



There are 190 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 890 cents. How many 7-cent stamps are there?

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