a) (-1)²⁴⁷·(-2)²-(-3)²+(-4)³ =
b) (-3)³-(-2)⁵+(-7)²·(-1)⁵ =
c) (-3)²·(-2)³-7²·(-1)⁶=
d) (-2¾)+(-7)⁰-(1½)·(-⅕)²=
e)(-3⅔)²:(1½)²-(0,5)²·(-2)³=
f) (-2)⁵·(1½)⁴-(-5)³·(-7)⁰=
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a) (-1)²⁴⁷·(-2)²-(-3)²+(-4)³ = -1 * 4 - 9 + (-64) = -4 - 9 - 64 = -77
b) (-3)³-(-2)⁵+(-7)²·(-1)⁵ = -27 + 32 + 49 * (-1) = -44
c) (-3)²·(-2)³-7²·(-1)⁶= 9 * (-8) - 49 * 1 = -127
d) (-2¾)+(-7)⁰-(1½)·(-⅕)²= (-2¾) + 1 + 0.3 = -1,45
e)(-3⅔)²:(1½)²-(0,5)²·(-2)³= 12100/2025 * 0,25 * 8 = ok 12
f) (-2)⁵·(1½)⁴-(-5)³·(-7)⁰= -32 * 5,0625 * 1 = -162