250  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 170 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?



There are 230 heads of Chickens and Dogs together. Altogether there are 660 legs. How many chickens are there?



우리 안에 총 110 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 300 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 180 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 420 legs. How many chickens are there?

There are 210 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1460 cents. How many 8-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1550 cents. How many 8-cent stamps are there?



오늘 7원짜리 9원짜리 우표 총 270장을 사고, 2130 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 150 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 810 cents. How many 7-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 790 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++