900  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 200 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



There are 230 heads of Chickens and Dogs together. Altogether there are 640 legs. How many chickens are there?



우리 안에 총 210 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 580 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 230 heads of Chickens and Dogs together. Altogether there are 680 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?

There are 170 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 950 cents. How many 7-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1330 cents. How many 8-cent stamps are there?



오늘 6원짜리 9원짜리 우표 총 200장을 사고, 1470 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 180 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 660 cents. How many 3-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 900 cents. How many 6-cent stamps are there?

+(         )

(         )+

++[[          ]]++