zad 4 str 35 matematyka z plusem klasa 2 gim :
a ) 1/2*[(-1) 8 do potegi + (-1)8 do potegi ] == ?
b )(3 i 1/3 ) 3 do potegi * 0.3 a potem 4 do potegi - (-1/2) 3 do potegi * ( 1 i 1/3 ) 2 do potegi = ?
c )
(1i 1/3 ) 3 do potegi * (-3 i 3/4 ) do potegi 2 : 3 - (1/2 ) do potegi 2
d) (-0.3) 2 doo potegi : 0.1 - 0.2 ii 3 do potegi * ( 2 i 1/2 ) i 2 do potegi
e ) (-0,1) 4 do potegi * 20 i 3 do potegi + ( 1 i 1/2 ) i 3 do potegi : ( -0.3) i 2 do potegi
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a)1
b)-70/90
c)11
D)0.85
e) 38.3
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