494  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 90 heads of Chickens and Dogs together. Altogether there are 280 legs. How many chickens are there?



우리 안에 총 190 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 540 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 170 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 360 legs. How many chickens are there?

There are 160 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1350 cents. How many 8-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1420 cents. How many 8-cent stamps are there?



오늘 5원짜리 3원짜리 우표 총 170장을 사고, 730 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 240 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1800 cents. How many 8-cent stamps are there?



There are 150 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 900 cents. How many 4-cent stamps are there?

+(         )

(         )+

++[[          ]]++