868  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 200 heads of Chickens and Dogs together. Altogether there are 640 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 180 heads of Chickens and Dogs together. Altogether there are 480 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 420 legs. How many chickens are there?



There are 110 heads of Chickens and Dogs together. Altogether there are 360 legs. How many chickens are there?

There are 180 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1110 cents. How many 8-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 760 cents. How many 4-cent stamps are there?



There are 240 stamps which are 5-cent stamps and 3-cent stamps. Altogether they cost 940 cents. How many 5-cent stamps are there?



There are 230 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1280 cents. How many 7-cent stamps are there?



There are 160 stamps which are 7-cent stamps and 9-cent stamps. Altogether they cost 1260 cents. How many 7-cent stamps are there?

+(         )

(         )+

++[[          ]]++