429  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

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



There are 140 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?



우리 안에 총 140 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 480 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 220 heads of Chickens and Dogs together. Altogether there are 700 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?

There are 230 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1480 cents. How many 5-cent stamps are there?



There are 120 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 500 cents. How many 5-cent stamps are there?



오늘 6원짜리 4원짜리 우표 총 190장을 사고, 920 원을 지불 했을때, 몇개의 6원짜리 우표를 샀는가?



There are 160 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1030 cents. How many 6-cent stamps are there?



There are 250 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1490 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++