Oblicz :5 3/4-8 1/3---------------- - 2/3 : (-4/27)1/2-(2/3)^2
Powinno wyjsc -42 z gory dzieki
5 3/4-8 1/3 23/4-25/3 69/12-100/12
---------------- - 2/3 : (-4/27) = -------------- -2/3*(-27/4) = ------------------ +9/2 =1/2-(2/3)^2 1/2-4/9 9/18-8/18
= (-31/12)*18/1+9/2 = -93/2+9/2 = -84/2 = -42
5i3/4-8i1/3 5i9/12 - 8i4/12
____________ - 2/3 : (-4/27) = _______________ - 2/3 : (-4/27) =
1/2 -(2/3)^2 1/2-(4/9)
-2i 7/12 -31/12
__________ - 2/3 *(-27/4) = ________ - 1/1 * (-9/2) = -31/12 : 1/18 +9/2 =
9/18-8/18 1/18
= -31/12 * 18/1 +9/2 = -31/2 * 3/1 +9/2 = -93/2 + 9/2 = - 84/2 = - 42
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5 3/4-8 1/3 23/4-25/3 69/12-100/12
---------------- - 2/3 : (-4/27) = -------------- -2/3*(-27/4) = ------------------ +9/2 =
1/2-(2/3)^2 1/2-4/9 9/18-8/18
= (-31/12)*18/1+9/2 = -93/2+9/2 = -84/2 = -42
5i3/4-8i1/3 5i9/12 - 8i4/12
____________ - 2/3 : (-4/27) = _______________ - 2/3 : (-4/27) =
1/2 -(2/3)^2 1/2-(4/9)
-2i 7/12 -31/12
__________ - 2/3 *(-27/4) = ________ - 1/1 * (-9/2) = -31/12 : 1/18 +9/2 =
9/18-8/18 1/18
= -31/12 * 18/1 +9/2 = -31/2 * 3/1 +9/2 = -93/2 + 9/2 = - 84/2 = - 42