494  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 240 heads of Chickens and Dogs together. Altogether there are 740 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 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there?



There are 170 heads of Chickens and Dogs together. Altogether there are 560 legs. How many chickens are there?



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

There are 160 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 880 cents. How many 8-cent stamps are there?



There are 200 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1050 cents. How many 3-cent stamps are there?



There are 210 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 710 cents. How many 4-cent stamps are there?



There are 260 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 2190 cents. How many 8-cent stamps are there?



There are 210 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1340 cents. How many 6-cent stamps are there?

+(         )

(         )+

++[[          ]]++