896  Stamp
How many stamps? 2

Name : _________________

 

refresh

There are 210 stamps which are 5-cent stamps and 8-cent stamps. Altogether they cost 1260 cents. How many 5-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 6-cent stamps. Altogether they cost 690 cents. How many 3-cent stamps are there?



There are 190 stamps which are 4-cent stamps and 7-cent stamps. Altogether they cost 940 cents. How many 4-cent stamps are there?



There are 180 stamps which are 6-cent stamps and 7-cent stamps. Altogether they cost 1160 cents. How many 6-cent stamps are there?



There are 140 stamps which are 5-cent stamps and 7-cent stamps. Altogether they cost 820 cents. How many 5-cent stamps are there?



There are 160 stamps which are 3-cent stamps and 9-cent stamps. Altogether they cost 1020 cents. How many 3-cent stamps are there?



There are 220 stamps which are 8-cent stamps and 5-cent stamps. Altogether they cost 1370 cents. How many 8-cent stamps are there?



¿À´Ã 4¿øÂ¥¸® 9¿øÂ¥¸® ¿ìÇ¥ ÃÑ 160 ÀåÀ» »ç°í, 990 ¿øÀ» ÁöºÒ ÇßÀ»¶§, ¸î°³ÀÇ 4¿øÂ¥¸® ¿ìÇ¥¸¦ »ò´Â°¡?



There are 220 stamps which are 7-cent stamps and 4-cent stamps. Altogether they cost 1240 cents. How many 7-cent stamps are there?



There are 150 stamps which are 4-cent stamps and 5-cent stamps. Altogether they cost 660 cents. How many 4-cent stamps are there?



+(         )

 

(         )+

++[[          ]]++

896    140 90 130 100 80 ( 540 )   70 90 90 120 90 ( 460 )   [[ 1000 ]]