979  Leg-Stamp
닭다리 개다리 2

Name : _________________

refresh

There are 190 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 540 legs. How many chickens are there?



우리 안에 총 90 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 260 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 120 heads of Chickens and Dogs together. Altogether there are 340 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?

There are 250 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 1120 cents. How many 4-cent stamps are there?



There are 150 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 780 cents. How many 4-cent stamps are there?



오늘 4원짜리 6원짜리 우표 총 220장을 사고, 1140 원을 지불 했을때, 몇개의 4원짜리 우표를 샀는가?



There are 240 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1830 cents. How many 8-cent stamps are there?



There are 150 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1050 cents. How many 6-cent stamps are there?

+(         )

(         )+

++[[          ]]++