Răspunsuri

2014-02-06T15:20:51+02:00
5c + 6p = 28
3c + 6p = 24
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8c + 12p = 52 / :4
2c + 3p = 13
2c + 3p + 2c + 3p + 1c = 28
13 + 13 + 1c = 28
26 + 1c = 28
c = 28 - 26
c = 2
1 4 1
2014-02-06T15:47:20+02:00
Creioane=c
pix=p
5c+6p=28 lei   "-"
3c+6p=24lei
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2c=4lei⇒c=2lei
5c+6p=28 lei
10+6p=28 lei
6p=28-10
p=18:6
p=3lei
2 5 2