921  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 250 heads of Chickens and Dogs together. Altogether there are 740 legs. How many chickens are there?



There are 200 heads of Chickens and Dogs together. Altogether there are 580 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 150 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?



There are 100 heads of Chickens and Dogs together. Altogether there are 320 legs. How many chickens are there?

There are 260 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 1040 cents. How many 3-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 940 cents. How many 5-cent stamps are there?



오늘 4원짜리 7원짜리 우표 총 170장을 사고, 920 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 150 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1250 cents. How many 8-cent stamps are there?



There are 150 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1000 cents. How many 4-cent stamps are there?

+(         )

(         )+

++[[          ]]++