/ = dzielenie, c = cała a) ³/₄ + ²/₅ = 15/20 + 8/20 = 23/20 = 1c i 3/20 b) ¹/₂ - ³/₈ = 4/8 - 3/8 = 1/8 c) ¹¹/₁₂ + ¹³/₁₈ = 33/36 + 26/36 = 59/36 = 1c i 23/56 d) ⁵/₆ - ⁷/₁₅ = 25/30 - 14/30 = 11/30 e) 2¹/₂ + 7¹/₅ = 5/2 + 36/5 = 25/10 + 72/10 = 97/10 = 9c i 7/10 f) 6⁷/₁₂ + 2¹³/₁₅ = 79/12 + 43/15 = 395/60 + 172/60 = 567/60 = 9c i 27/60 g) 10³/₄ - 8⁵/₁₂ = 43/4 - 101/12 = 129/12 - 101/12 = 18/12 = 1c i 1/2 h) 3¹/₆ - 1⁵/₈ = 19/6 - 13/8 = 76/24 - 39/24 = 37/24 = 1c i 13/24 i) 4⁵/₁₂ - 2¹⁷/₃₀ = 53/12 - 77/30 = 265/60 - 144/60 = 121/60 = 2c i 1/60 j) 6³/₄ + ⁷/₈ + 5¹/₂ = 27/4 + 7/8 + 11/2 = 54/8 + 7/8 + 44/8 = 105/8 = 13c i 1/8 k) 8²/₃ + 1¹/₁₂ - ⁵/₈ = 26/3 + 13/12 - 5/8 = 208/24 + 26/24 - 15/24 = 219/24 = 9c i 1/8 l) 12³/₄ - ¹/₈ - 2³/₅ = 51/4 - 1/8 - 13/5 = 510/40 - 5/40 - 104/40 = 401/40 = 10c i 1/40
a) 3/4 + 2/5=15/20 + 8/20=23/20=1 3/20 b) 1/2 - 3/8=4/8 - 3/8=1/8 c)11/12 + 13/18=33/36 + 26/36=59/36=1 22/36 d)5/6 - 7/15=25/30 - 14/30=11/30 e) 2 1/2 + 7 1/5=2 5/10 + 7 2/10=9 7/10 f)6 7/12 + 2 13/15=6 35/60 + 2 52/60=8 87/60= 9 37/60 g)10 3/4- 8 5/12=10 9/12 - 8 5/12=2 4/12 h)3 1/6 - 1 5/8=3 4/24 - 1 15/24= 2 28/24 - 1 15/24=1 13/24 i)4 5/12 - 2 17/30=4 25/60 - 3 34/60=3 85/60 - 3 34/60=51/60 j)6 3/4 + 7/8 + 5 1/2=6 6/8 + 7/8 + 5 4/8=18 17/8=20 1/8 k)8 2/3 + 1 1/12 - 5/8=8 16/24 + 1 2/24 - 15/24=7 18 /24 - 15/24=7 3/24 l)12 3/4 - 1/8 - 2 3/5=12 30/40 - 5/40 - 2 24/40=12 25/40 - 2 24/40=10 1/40
a) ³/₄ + ²/₅ =15/20 +8/20=23/20 =1 i 3/20 b) ¹/₂ - ³/₈ =4/8-3/8=1/8 c) ¹¹/₁₂ + ¹³/₁₈ =33/36 +26/36=59/36=1 i 23/36= d) ⁵/₆ - ⁷/₁₅ =25/30-14/30=11/30 e) 2¹/₂ + 7¹/₅ =5/2-36/5=25/10-72/10= (-47/10)=(-4 i 7/10) f) 6⁷/₁₂ + 2¹³/₁₅ =6 35/60 + 2 52/60=8 87/60= 9 37/60 g) 10³/₄ - 8⁵/₁₂ =43/4 - 101/12 = 129/12 - 101/12 = 18/12 = 1 i 1/2 h) 3¹/₆ - 1⁵/₈ =19/6 - 13/8 = 76/24 - 39/24 = 37/24 = 1 i 13/24 i) 4⁵/₁₂ - 2¹⁷/₃₀ =53/12 - 77/30 = 265/60 - 144/60 = 121/60 = 2 i 1/60 j) 6³/₄ + ⁷/₈ + 5¹/₂ =27/4 + 7/8 + 11/2 = 54/8 + 7/8 + 44/8 = 105/8 = 13 i 1/8 k) 8²/₃ + 1¹/₁₂ - ⁵/₈ =26/3 + 13/12 - 5/8 = 208/24 + 26/24 - 15/24 = 219/24 = 9 i 1/8 l) 12³/₄ - ¹/₈ - 2³/₅ = 51/4 - 1/8 - 13/5 = 510/40 - 5/40 - 104/40 = 401/40 = 10 i 1/40 Sorki że tak długo :* to przez te wakacje troche matme zaniedbałam :D ale wszystko powinno być ok :D
