Toán Lớp 7: Tìm x biết: 1/2

1/2 - 2x = (- 1/2) ^ 3 1/2 - 2x = (- 1/8) 2x = 1/2 -(- 1/8) 2x = 1/2 + 1/8 2x = 5/8 x = 5/8 :2 x=5/16 Vậy x=5/16

1/2 - 2x = (- 1/2) ^ 3 1/2-2x=-1/8 -2x=1/2-{-1}/8 -2x=-5/8 x=5/16

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Toán Lớp 7: Tìm x biết: 1/2 – 2x = (- 1/2) ^ 3