734  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 170 heads of Chickens and Dogs together. Altogether there are 480 legs. How many chickens are there?



There are 210 heads of Chickens and Dogs together. Altogether there are 620 legs. How many chickens are there?



우리 안에 총 100 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 260 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 180 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?



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

There are 210 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 770 cents. How many 3-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 980 cents. How many 5-cent stamps are there?



오늘 5원짜리 6원짜리 우표 총 170장을 사고, 910 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 220 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1640 cents. How many 7-cent stamps are there?



There are 140 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 560 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++