342  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 130 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?



There are 80 heads of Chickens and Dogs together. Altogether there are 220 legs. How many chickens are there?



우리 안에 총 150 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 520 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 210 heads of Chickens and Dogs together. Altogether there are 620 legs. How many chickens are there?



There are 240 heads of Chickens and Dogs together. Altogether there are 700 legs. How many chickens 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?



There are 220 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 820 cents. How many 3-cent stamps are there?



오늘 4원짜리 9원짜리 우표 총 180장을 사고, 1120 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 160 stamps which are 7-cent stamps and 5-cent stamps. Altogether they cost 1020 cents. How many 7-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 640 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++