271  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 170 heads of Chickens and Dogs together. Altogether there are 580 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 360 legs. How many chickens are there?



There are 140 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there?



There are 170 heads of Chickens and Dogs together. Altogether there are 540 legs. How many chickens are there?



There are 200 heads of Chickens and Dogs together. Altogether there are 620 legs. How many chickens are there?

There are 210 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 1050 cents. How many 4-cent stamps are there?



There are 220 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 920 cents. How many 3-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1220 cents. How many 3-cent stamps are there?



There are 200 stamps which are 8-cent stamps and 7-cent stamps. Altogether they cost 1470 cents. How many 8-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1740 cents. How many 6-cent stamps are there?

+(         )

(         )+

++[[          ]]++