678  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 230 heads of Chickens and Dogs together. Altogether there are 720 legs. How many chickens are there?



There are 100 heads of Chickens and Dogs together. Altogether there are 280 legs. How many chickens are there?



There are 130 heads of Chickens and Dogs together. Altogether there are 380 legs. How many chickens are there?



There are 260 heads of Chickens and Dogs together. Altogether there are 760 legs. How many chickens are there?



There are 180 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?

There are 240 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1170 cents. How many 3-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 4-cent stamps. Altogether they cost 780 cents. How many 3-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1380 cents. How many 8-cent stamps are there?



There are 130 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 940 cents. How many 8-cent stamps are there?



There are 250 stamps which are 4-cent stamps and 6-cent stamps. Altogether they cost 1260 cents. How many 4-cent stamps are there?

+(         )

(         )+

++[[          ]]++