756  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 210 heads of Chickens and Dogs together. Altogether there are 620 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?



There are 120 heads of Chickens and Dogs together. Altogether there are 320 legs. How many chickens are there?



There are 210 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



There are 100 heads of Chickens and Dogs together. Altogether there are 260 legs. How many chickens are there?

There are 230 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 810 cents. How many 4-cent stamps are there?



There are 240 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1380 cents. How many 7-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1150 cents. How many 3-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 920 cents. How many 6-cent stamps are there?



There are 180 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1000 cents. How many 8-cent stamps are there?

+(         )

(         )+

++[[          ]]++