245  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

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



There are 150 heads of Chickens and Dogs together. Altogether there are 480 legs. How many chickens are there?



우리 안에 총 210 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 680 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 180 heads of Chickens and Dogs together. Altogether there are 480 legs. How many chickens are there?



There are 210 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?

There are 250 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 1400 cents. How many 4-cent stamps are there?



There are 160 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1020 cents. How many 7-cent stamps are there?



오늘 4원짜리 7원짜리 우표 총 220장을 사고, 1150 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 200 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1340 cents. How many 7-cent stamps are there?



There are 160 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1210 cents. How many 7-cent stamps are there?

+(         )

(         )+

++[[          ]]++