Oblicz:
a) 3-(-3)² - (-3)³ - (-3)⁴ =
b) (-4)³ - 4³ - ((-5)⁴ -5⁴) =
c) 3 · (7 - (-2)³) - (1- (2-2²)) =
d) 3- { 9- [ 18- (-2)³ · (-3)²]} =
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a) 3-(-3)² - (-3)³ - (-3)⁴ =
= 3 - 9 + 27 - 81 =
= -60
============================
b) (-4)³ - 4³ - ((-5)⁴ -5⁴) =
= -64 - 64 - (625 - 625) =
= -128
============================
c) 3 · (7 - (-2)³) - (1- (2-2²)) =
= 3 * (7 - 8) - (1 +2) =
= 3 * (-1) - 3 =
= -3 - 3 =
= -6
===========================
d) 3- { 9- [ 18- (-2)³ · (-3)²]} =
= 3 - {9 - [ 18 + 8 * 9]} =
= 3 - {9 - [18 + 72]} =
= 3 - ( 9 - 90) =
= 3 - (-81) =
= 3 + 81 =
=84