anamariakiss17 anamariakiss17

26-03-2019
Mathematics

contestada

Calculați: a) -5+(-2)•(4-8)
B) -10 + (-21)•(-7)
d) 6-(-3)•(1-9)
e) 8-(-28)•(3-10)

Respuesta :

theemperorsjewel theemperorsjewel

26-03-2019

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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