(2/7×7/3+1)÷(5/3)2
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(2/7 . 7/3 + 1) ÷ (5/3) . 2
(2/7 . 7/3 + 1) ÷ 10/3
(14/21 + 1) ÷ 10/3
(2/3 + 1) ÷ 10/3
(2/3 + 3/3) ÷ 10/3
5/3 ÷ 10/3 = 5/3 . 3/10 = 15/30 = 1/2 ou 0,5
(2/7 . 7/3 + 1) ÷ 10/3
(14/21 + 1) ÷ 10/3
(2/3 + 1) ÷ 10/3
(2/3 + 3/3) ÷ 10/3
5/3 ÷ 10/3 = 5/3 . 3/10 = 15/30 = 1/2 ou 0,5
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