184  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 100 heads of Chickens and Dogs together. Altogether there are 320 legs. How many chickens are there?



There are 120 heads of Chickens and Dogs together. Altogether there are 380 legs. How many chickens are there?



우리 안에 총 230 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 680 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 160 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 480 legs. How many chickens are there?

There are 240 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1860 cents. How many 7-cent stamps are there?



There are 260 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1700 cents. How many 7-cent stamps are there?



오늘 7원짜리 3원짜리 우표 총 200장을 사고, 1080 원을 지불 했을때, 몇개의 7원짜리 우표를 샀는가?



There are 180 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 870 cents. How many 4-cent stamps are there?



There are 220 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 810 cents. How many 4-cent stamps are there?

+(         )

(         )+

++[[          ]]++