758  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 240 heads of Chickens and Dogs together. Altogether there are 740 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?



우리 안에 총 150 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 440 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 180 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



There are 220 heads of Chickens and Dogs together. Altogether there are 680 legs. How many chickens are there?

There are 120 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 740 cents. How many 7-cent stamps are there?



There are 200 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1250 cents. How many 4-cent stamps are there?



오늘 4원짜리 8원짜리 우표 총 140장을 사고, 760 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 200 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1500 cents. How many 7-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 810 cents. How many 6-cent stamps are there?

+(         )

(         )+

++[[          ]]++