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22 February, 08:32

Calculați: a) - 5 + (-2) • (4-8)

B) - 10 + (-21) • (-7)

d) 6 - (-3) • (1-9)

e) 8 - (-28) • (3-10)

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  1. 22 February, 08:49
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    a) - 5 + (-2) (4-8) =

    (-7) (-4) = 28

    b) - 10 + (-21) (-7) =

    (-10) + 147 = 137

    c) 6 - (-3) (1-9)

    9 (1-9) = - 72

    d) 8 - (-28) (3 - 10)

    36 (-7) = - 252
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