859  Leg-Stamp
닭다리 개다리 1

Name : _________________

refresh

There are 230 heads of Chickens and Dogs together. Altogether there are 680 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 620 legs. How many chickens are there?



There are 170 heads of Chickens and Dogs together. Altogether there are 400 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 120 heads of Chickens and Dogs together. Altogether there are 380 legs. How many chickens are there?

There are 130 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 670 cents. How many 4-cent stamps are there?



There are 120 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 510 cents. How many 3-cent stamps are there?



There are 150 stamps which are 7-cent stamps and 3-cent stamps. Altogether they cost 850 cents. How many 7-cent stamps are there?



There are 220 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1310 cents. How many 5-cent stamps are there?



There are 170 stamps which are 3-cent stamps and 5-cent stamps. Altogether they cost 710 cents. How many 3-cent stamps are there?

+(         )

(         )+

++[[          ]]++