993  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

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



There are 130 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?



There are 230 heads of Chickens and Dogs together. Altogether there are 700 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?

There are 220 stamps which are 6-cent stamps and 5-cent stamps. Altogether they cost 1190 cents. How many 6-cent stamps are there?



There are 200 stamps which are 5-cent stamps and 4-cent stamps. Altogether they cost 930 cents. How many 5-cent stamps are there?



There are 190 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1150 cents. How many 5-cent stamps are there?



There are 240 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1530 cents. How many 6-cent stamps are there?



There are 160 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 700 cents. How many 4-cent stamps are there?

+(         )

(         )+

++[[          ]]++