888  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 230 heads of Chickens and Dogs together. Altogether there are 680 legs. How many chickens are there?



There are 110 heads of Chickens and Dogs together. Altogether there are 280 legs. How many chickens are there?



우리 안에 총 100 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 320 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 130 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?



There are 170 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?

There are 260 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1820 cents. How many 8-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 870 cents. How many 5-cent stamps are there?



오늘 3원짜리 4원짜리 우표 총 280장을 사고, 970 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 200 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1340 cents. How many 6-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1370 cents. How many 6-cent stamps are there?

+(         )

(         )+

++[[          ]]++