552  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

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



There are 180 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?



우리 안에 총 200 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 580 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 240 heads of Chickens and Dogs together. Altogether there are 740 legs. How many chickens are there?



There are 110 heads of Chickens and Dogs together. Altogether there are 300 legs. How many chickens are there?

There are 180 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 830 cents. How many 4-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1470 cents. How many 5-cent stamps are there?



오늘 3원짜리 8원짜리 우표 총 210장을 사고, 1080 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 230 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 960 cents. How many 3-cent stamps are there?



There are 130 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 930 cents. How many 6-cent stamps are there?

+(         )

(         )+

++[[          ]]++