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2) 1 i 11/12
3) 11 i 3/20
4) 2 i 2/5
5) 3/4
6) 7 i 1/3
Mam nadzieję, że pomogłam :)
½ + ⅔+ ¾ = ⁶/₁₂ + ⁸/₁₂ + ⁹/₁₂ = ²³/₁₂ = 1¹¹/₁₂
4 + 5⅖ + 2¼ = 4 + 5 ⁸/₂₀ + 2 ⁵/₂₀ = 11 ¹³/₂₀
10 - 7⅗ = 2²/₅
2⅜ - 1⅝ = ¹⁹/₈ - ¹³/₈ = ⁶/₈
10⅓ - 3 = 7¹/₃