anamariakiss17 anamariakiss17
  • 26-03-2019
  • Mathematics
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Calculați: a) -5+(-2)•(4-8)
B) -10 + (-21)•(-7)
d) 6-(-3)•(1-9)
e) 8-(-28)•(3-10)

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theemperorsjewel
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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