603  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 200 heads of Chickens and Dogs together. Altogether there are 620 legs. How many chickens are there?



There are 230 heads of Chickens and Dogs together. Altogether there are 720 legs. How many chickens are there?



우리 안에 총 200 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 620 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 600 legs. How many chickens are there?

There are 160 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 880 cents. How many 3-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1430 cents. How many 8-cent stamps are there?



오늘 4원짜리 6원짜리 우표 총 220장을 사고, 1020 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 220 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1360 cents. How many 7-cent stamps are there?



There are 270 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1650 cents. How many 7-cent stamps are there?

+(         )

(         )+

++[[          ]]++