12. Oblicz:
a) ⁵/₆ :3 =
6: 1³/=
7¹/₅ :8 =
b) ²/₃ : ³/₄ =
3⁵/₇ : ²/₃ =
1¹/₃ : 2²/₅ =
a) ⁵/₆ : 3 =
= 5/6 * 1/3 = = 5/18=================================================6 : 1³/₄ = = 6 : 7/4 =
= 6 * 4/7 = = 24/7 = = 3 i 3/7=================================================7¹/₅ : 8 == 36/5 * 1/8 =
= 9/10=================================================b) ²/₃ : ³/₄ == 2/3 * 4/3 = = 8/6 == 1 i 2/6 = = 1 i 1/3=================================================3⁵/₇ : ²/₃ == 26/7 * 3/2 = = 39/7= 5 i 4/7=================================================1¹/₃ : 2²/₅ == 4/3 : 12/5 = = 4/3 * 5/12 == 5/9
a) ⁵/₆ :3 =5/6x1/3=5/18
6: 1³/4=6x4/7=24/7=3 ³/₇ po poprawce:)
7¹/₅ :8 =36/5x1/8=36/40=9/10
b) ²/₃ : ³/₄ =2/3x4/3=8/9
3⁵/₇ : ²/₃ =26/7x3/2=39/7=5 ⁴/₇
1¹/₃ : 2²/₅ =4/3x5/12=5/9
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a) ⁵/₆ : 3 =
= 5/6 * 1/3 =
= 5/18
=================================================
6 : 1³/₄ =
= 6 : 7/4 =
= 6 * 4/7 =
= 24/7 =
= 3 i 3/7
=================================================
7¹/₅ : 8 =
= 36/5 * 1/8 =
= 9/10
=================================================
b) ²/₃ : ³/₄ =
= 2/3 * 4/3 =
= 8/6 =
= 1 i 2/6 =
= 1 i 1/3
=================================================
3⁵/₇ : ²/₃ =
= 26/7 * 3/2 =
= 39/7
= 5 i 4/7
=================================================
1¹/₃ : 2²/₅ =
= 4/3 : 12/5 =
= 4/3 * 5/12 =
= 5/9
a) ⁵/₆ :3 =5/6x1/3=5/18
6: 1³/4=6x4/7=24/7=3 ³/₇ po poprawce:)
7¹/₅ :8 =36/5x1/8=36/40=9/10
b) ²/₃ : ³/₄ =2/3x4/3=8/9
3⁵/₇ : ²/₃ =26/7x3/2=39/7=5 ⁴/₇
1¹/₃ : 2²/₅ =4/3x5/12=5/9