534  Leg-Stamp
닭다리 개다리 2

Name : _________________

 

refresh

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



There are 150 heads of Chickens and Dogs together. Altogether there are 520 legs. How many chickens are there?



우리 안에 총 140 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 340 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 180 heads of Chickens and Dogs together. Altogether there are 500 legs. How many chickens are there?



There are 150 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?



There are 200 stamps which are 6-cent stamps and 3-cent stamps. Altogether they cost 870 cents. How many 6-cent stamps are there?



There are 140 stamps which are 7-cent stamps and 8-cent stamps. Altogether they cost 1040 cents. How many 7-cent stamps are there?



오늘 5원짜리 3원짜리 우표 총 210장을 사고, 830 원을 지불 했을때, 몇개의 5원짜리 우표를 샀는가?



There are 200 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1240 cents. How many 8-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 8-cent stamps. Altogether they cost 960 cents. How many 4-cent stamps are there?



+(         )

 

(         )+

++[[          ]]++

534    80 40 40 110 70 ( 340 )   90 80 80 110 140 ( 500 )   [[ 840 ]]