oblicz:
[(¾)⁻²:(1⅓)³]⁻²+(3⅓)⁰ × (2⅔)⁻¹=
[(¾)⁻²:(1⅓)³]⁻²+(3⅓)⁰ × (2⅔)⁻¹ =[(4/3)² : (4/3)³]⁻² + 1 * (8/3)⁻¹ = = [16/9 : 64/27]⁻² + 1 * 3/8 = = [16/9 * 27/64]⁻² + 3/8 = = (3/4)⁻² + 3/8 = = (4/3)² + 3/8 = = 16/9 + 3/8 = = 128/72 + 27/72 = = 155/72 = = 2 i 11/72
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[(¾)⁻²:(1⅓)³]⁻²+(3⅓)⁰ × (2⅔)⁻¹ =
[(4/3)² : (4/3)³]⁻² + 1 * (8/3)⁻¹ =
= [16/9 : 64/27]⁻² + 1 * 3/8 =
= [16/9 * 27/64]⁻² + 3/8 =
= (3/4)⁻² + 3/8 =
= (4/3)² + 3/8 =
= 16/9 + 3/8 =
= 128/72 + 27/72 =
= 155/72 =
= 2 i 11/72