795  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

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



There are 180 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?



우리 안에 총 170 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 520 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 70 heads of Chickens and Dogs together. Altogether there are 200 legs. How many chickens are there?



There are 80 heads of Chickens and Dogs together. Altogether there are 220 legs. How many chickens are there?

There are 160 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1190 cents. How many 8-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1830 cents. How many 6-cent stamps are there?



오늘 3원짜리 5원짜리 우표 총 230장을 사고, 930 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 190 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1020 cents. How many 5-cent stamps are there?



There are 130 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 790 cents. How many 7-cent stamps are there?

+(         )

(         )+

++[[          ]]++