394  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 90 heads of Chickens and Dogs together. Altogether there are 240 legs. How many chickens are there?



There are 130 heads of Chickens and Dogs together. Altogether there are 360 legs. How many chickens are there?



우리 안에 총 240 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 680 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 130 heads of Chickens and Dogs together. Altogether there are 360 legs. How many chickens are there?



There are 90 heads of Chickens and Dogs together. Altogether there are 260 legs. How many chickens are there?

There are 190 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1000 cents. How many 6-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1190 cents. How many 5-cent stamps are there?



오늘 5원짜리 4원짜리 우표 총 220장을 사고, 1020 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 200 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1300 cents. How many 7-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1210 cents. How many 7-cent stamps are there?

+(         )

(         )+

++[[          ]]++