559  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 170 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there?



There are 100 heads of Chickens and Dogs together. Altogether there are 320 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 540 legs. How many chickens are there?



There are 180 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 380 legs. How many chickens are there?

There are 160 stamps which are 4-cent stamps and 3-cent stamps. Altogether they cost 570 cents. How many 4-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1720 cents. How many 6-cent stamps are there?



There are 180 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1180 cents. How many 5-cent stamps are there?



There are 250 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1360 cents. How many 4-cent stamps are there?



There are 210 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1400 cents. How many 8-cent stamps are there?

+(         )

(         )+

++[[          ]]++