Oblicz.
a)½×[(-1)⁸+(-1)⁸]
b)(-3⅓)³×0,3⁴-(-½)³×(1⅓)²
a)½×[(-1)⁸+(-1)⁸]=
= 1/2*[ 1 +1] =
= 1/2*2=
= 1
b)(-3⅓)³×0,3⁴-(-½)³×(1⅓)²=
=(-10/3)³×(3/10)⁴- (-1/8)*(16/9)=
= (-1000/27)*(81/10000) - (-2/9) =
= 3/10 +2/9 =
= 27/90 + 20/90 =
= 47/90
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Oblicz.
a)½×[(-1)⁸+(-1)⁸]=
= 1/2*[ 1 +1] =
= 1/2*2=
= 1
b)(-3⅓)³×0,3⁴-(-½)³×(1⅓)²=
=(-10/3)³×(3/10)⁴- (-1/8)*(16/9)=
= (-1000/27)*(81/10000) - (-2/9) =
= 3/10 +2/9 =
= 27/90 + 20/90 =
= 47/90