344  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 180 heads of Chickens and Dogs together. Altogether there are 600 legs. How many chickens are there?



There are 200 heads of Chickens and Dogs together. Altogether there are 660 legs. How many chickens are there?



There are 200 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there?



There are 180 heads of Chickens and Dogs together. Altogether there are 560 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 250 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1760 cents. How many 6-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1240 cents. How many 5-cent stamps are there?



There are 270 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1900 cents. How many 8-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1580 cents. How many 8-cent stamps are there?



There are 250 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1880 cents. How many 7-cent stamps are there?

+(         )

(         )+

++[[          ]]++