913  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 230 heads of Chickens and Dogs together. Altogether there are 660 legs. How many chickens are there?



There are 210 heads of Chickens and Dogs together. Altogether there are 660 legs. How many chickens are there?



There are 80 heads of Chickens and Dogs together. Altogether there are 220 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 140 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?

There are 200 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 1220 cents. How many 5-cent stamps are there?



There are 190 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1260 cents. How many 6-cent stamps are there?



There are 260 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 1110 cents. How many 3-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 680 cents. How many 3-cent stamps are there?



There are 230 stamps which are 3-cent stamps and 7-cent stamps. Altogether they cost 1090 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++