827  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 170 heads of Chickens and Dogs together. Altogether there are 420 legs. How many chickens are there?



우리 안에 총 110 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 360 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 200 heads of Chickens and Dogs together. Altogether there are 620 legs. How many chickens are there?



There are 230 heads of Chickens and Dogs together. Altogether there are 720 legs. How many chickens are there?

There are 170 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1040 cents. How many 7-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 820 cents. How many 4-cent stamps are there?



오늘 7원짜리 3원짜리 우표 총 230장을 사고, 1090 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 260 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1890 cents. How many 6-cent stamps are there?



There are 250 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1270 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++