oblicz
( 2 , 6 ÷ 1,2 - 4 ½ ) ÷ ( 0 , 75 - ⅓ ) =
zad 2 )
zapisz w najprostrzej postaci
√80-√99-√125-√144 =
(2.2-4.5):(3/4 - 1/3) = (22/10 - 45/10) : (9/12 - 4/12) = -23/10 : 5/12 = -23/10 *12/5 = 138/25 = 5 52/100
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(2.2-4.5):(3/4 - 1/3) = (22/10 - 45/10) : (9/12 - 4/12) = -23/10 : 5/12 = -23/10 *12/5 = 138/25 = 5 52/100