425  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 100 heads of Chickens and Dogs together. Altogether there are 260 legs. How many chickens are there?



There are 120 heads of Chickens and Dogs together. Altogether there are 320 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 150 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there?



There are 240 heads of Chickens and Dogs together. Altogether there are 740 legs. How many chickens are there?

There are 160 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 660 cents. How many 3-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1190 cents. How many 6-cent stamps are there?



오늘 5원짜리 6원짜리 우표 총 130장을 사고, 700 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 230 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1250 cents. How many 7-cent stamps are there?



There are 170 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1030 cents. How many 5-cent stamps are there?

+(         )

(         )+

++[[          ]]++