947  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

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



There are 270 heads of Chickens and Dogs together. Altogether there are 800 legs. How many chickens are there?



우리 안에 총 160 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 440 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



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



There are 220 heads of Chickens and Dogs together. Altogether there are 640 legs. How many chickens are there?

There are 210 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1160 cents. How many 8-cent stamps are there?



There are 280 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1830 cents. How many 7-cent stamps are there?



오늘 7원짜리 3원짜리 우표 총 260장을 사고, 1300 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 220 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 990 cents. How many 5-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 870 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++