689  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 150 heads of Chickens and Dogs together. Altogether there are 420 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



우리 안에 총 160 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 560 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



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



There are 160 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there?

There are 170 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1240 cents. How many 8-cent stamps are there?



There are 150 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1020 cents. How many 6-cent stamps are there?



오늘 3원짜리 6원짜리 우표 총 190장을 사고, 750 원을 지불 했을때, 몇개의 3원짜리 우표를 샀는가?



There are 130 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 880 cents. How many 6-cent stamps are there?



There are 190 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1400 cents. How many 8-cent stamps are there?

+(         )

(         )+

++[[          ]]++