453  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

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



There are 190 heads of Chickens and Dogs together. Altogether there are 480 legs. How many chickens are there?



There are 200 heads of Chickens and Dogs together. Altogether there are 660 legs. How many chickens are there?



There are 210 heads of Chickens and Dogs together. Altogether there are 640 legs. How many chickens are there?



There are 220 heads of Chickens and Dogs together. Altogether there are 600 legs. How many chickens are there?

There are 150 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 810 cents. How many 7-cent stamps are there?



There are 160 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1000 cents. How many 5-cent stamps are there?



There are 200 stamps which are 6-cent stamps and 4-cent stamps. Altogether they cost 1100 cents. How many 6-cent stamps are there?



There are 140 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 670 cents. How many 3-cent stamps are there?



There are 240 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1500 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++