[(3-⅓)÷(3+⅓)]×3⅔-(1-30×0,01)=
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[(3 - ⅓) ÷ (3 + ⅓)] × 3⅔ - (1 - 30 × 0,01) == [(2 i 3/3 -1/3) : 3 i 1/3] x 11/3 - ( 1 - 0,3) = = (2 i 2/3 : 3 i 1/3) x 11/3 - 0,7 = = (8/3 : 10/3) x 11/3 - 0,7 == (8/3 x 3/10) x 11/3 - 0,7 = = 4/5 x 11/3 - 0,7 = = 44/15 - 0,7 = = 44/15 - 7/10 = = 88/30 - 21/30 = = 67/30 =
= 2 i 7/30
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[(3 - ⅓) ÷ (3 + ⅓)] × 3⅔ - (1 - 30 × 0,01) =
= [(2 i 3/3 -1/3) : 3 i 1/3] x 11/3 - ( 1 - 0,3) =
= (2 i 2/3 : 3 i 1/3) x 11/3 - 0,7 =
= (8/3 : 10/3) x 11/3 - 0,7 =
= (8/3 x 3/10) x 11/3 - 0,7 =
= 4/5 x 11/3 - 0,7 =
= 44/15 - 0,7 =
= 44/15 - 7/10 =
= 88/30 - 21/30 =
= 67/30 =
= 2 i 7/30