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Nyitott mondatok1
NYITOTT MONDAT | MEGOLDÁS |
---|---|
15 + ⌂ = 0 | ⌂ = –15 |
15 – ⌂ = 0 | ⌂ = 15 |
15 ∙ ⌂ = 0 | ⌂ = 0 |
15 ∙ ⌂ = 1 | ⌂ = 1/15 |
15 + 3 ∙ ⌂ = 0 | ⌂ = –15 : 3 |
15 – 3 ∙ ⌂ = 0 | ⌂ = 15 : 3 |
⌂ + 3 = 15 | ⌂ = 15 – 3 |
⌂ – 3 = 15 | ⌂ = 15 + 3 |
3 – ⌂ = 15 | ⌂ = –(15 – 3) |
3 ∙ ⌂ = 15 | ⌂ = 15 : 3 |
⌂ : 3 = 15 | ⌂ = 15 ∙ 3 |
3 : ⌂ = 15 | ⌂ = 3 : 15 |
2 ∙ ⌂ + 3 = 15 | ⌂ = (15 – 3) : 2 |
2 ∙ ⌂ – 3 = 15 | ⌂ = (15 + 3) : 2 |
⌂ + 3 = –15 | ⌂ = –15 – 3 |
⌂ – 3 = –15 | ⌂ = –15 + 3 |
3 ∙ ⌂ = –15 | ⌂ = –15 : 3 |
⌂ : 3 = –15 | ⌂ = –15 ∙ 3 |
2 ∙ ⌂ + 3 = –15 | ⌂ = (–15 – 3) : 2 |
2 ∙ ⌂ – 3 = –15 | ⌂ = (–15 + 3) : 2 |
2 ∙ (⌂ + 3) = 15 | ⌂ = 15 : 2 – 3 |
2 ∙ (⌂ – 3) = 15 | ⌂ = 15 : 2 + 3 |
2 ∙ (⌂ + 3) = –15 | ⌂ = –15 : 2 – 3 |