507  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 130 heads of Chickens and Dogs together. Altogether there are 360 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 460 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?



There are 130 heads of Chickens and Dogs together. Altogether there are 320 legs. How many chickens are there?



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

There are 210 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1420 cents. How many 6-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1720 cents. How many 8-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1760 cents. How many 8-cent stamps are there?



There are 120 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 530 cents. How many 4-cent stamps are there?



There are 160 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 820 cents. How many 6-cent stamps are there?

+(         )

(         )+

++[[          ]]++