658  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 210 heads of Chickens and Dogs together. Altogether there are 660 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 540 legs. How many chickens are there?



우리 안에 총 250 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 760 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 120 heads of Chickens and Dogs together. Altogether there are 380 legs. How many chickens are there?



There are 200 heads of Chickens and Dogs together. Altogether there are 540 legs. How many chickens are there?

There are 150 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1020 cents. How many 8-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1460 cents. How many 8-cent stamps are there?



오늘 3원짜리 4원짜리 우표 총 210장을 사고, 710 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 240 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1120 cents. How many 3-cent stamps are there?



There are 210 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1140 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++