a)
b)
c)
d)
daje najlepsze !
BARDZO POTRZEBNE :d
d) nie wiem co tam jest blad systemu tex
a)(1/3+2/7):(1-1/9)+3/7=
=(7/21+6/21):(8/9)+3/7=
=13/21*9/8+3/7=
=39/56+3/7=
=39/56+24/56=
=63/56=
=1i7/56=
=1i 1/8
(2*5/6)²-(3²-√1i7/9)=
=(10/6)²-(9-√16/9)=
=(5/3)²-(9-4/3)=
=25/9+7i2/3=
=2i7/9+7i6/9=
=9i13/9=
=10i4/9
[(-2/3)²:8/9]⁻¹=
=[4/9*9/8]⁻¹=
=[4/8]⁻¹=
=[8/4]=
=2
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a)
b)
c)
d) nie wiem co tam jest blad systemu tex
a)(1/3+2/7):(1-1/9)+3/7=
=(7/21+6/21):(8/9)+3/7=
=13/21*9/8+3/7=
=39/56+3/7=
=39/56+24/56=
=63/56=
=1i7/56=
=1i 1/8
b)
(2*5/6)²-(3²-√1i7/9)=
=(10/6)²-(9-√16/9)=
=(5/3)²-(9-4/3)=
=25/9+7i2/3=
=2i7/9+7i6/9=
=9i13/9=
=10i4/9
c)
[(-2/3)²:8/9]⁻¹=
=[4/9*9/8]⁻¹=
=[4/8]⁻¹=
=[8/4]=
=2