Toán Lớp 7: j) (-1)^3/15 + (-2/3)^2 : 22/3 - |-5/6|

$#AS$ j) $ dfrac{(-1)^3}{15}$ + (-2/3)^2 : 2 2/3 - |-5/6| = -1/15 + 4/9 : 8/3 - 5/6 = -1/15 + 1/6 - 5/6 = 1/10 - 5/6 = -11/15

f, (-1)^3/15 + (-2/3)^2 : 2 2/3 - |-5/6| = (-1)/15 + 4/9 : 8/3 - 5/6 = (-1)/15 + 4/9. 3/8 - 5/6 = (-1)/15 + 1/6 - 5/6 = 1/10 - 5/6 = -11/15

Toán Lớp 7: `j)` `(-1)^3/15 + (-2/3)^2 : 2``2/3

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