928  Leg-Stamp
닭다리 개다리 1

Name : _________________

  

refresh

There are 240 heads of Chickens and Dogs together. Altogether there are 700 legs. How many chickens are there?



There are 180 heads of Chickens and Dogs together. Altogether there are 600 legs. How many chickens are there?



There are 220 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 580 legs. How many chickens are there?



There are 190 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there?

There are 190 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1440 cents. How many 6-cent stamps are there?



There are 250 stamps which are 6-cent stamps and 9-cent stamps. Altogether they cost 1860 cents. How many 6-cent stamps are there?



There are 170 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1220 cents. How many 8-cent stamps are there?



There are 160 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1360 cents. How many 8-cent stamps are there?



There are 190 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1020 cents. How many 3-cent stamps are there?

+(         )

 

(         )+

++[[          ]]++
928    130 60 100 90 120 ( 500 )   90 130 100 80 100 ( 500 )   [[ 1000 ]]