Uporządkuj jednomiany i oblicz ich wartości liczbowe: a) (-5) aa × (-0,2) b²a dla a = -1, b= -½ b) (-10)³ × a² × (-5)² aa² dla a = 0,1 c) x³ × (-6) × x² × y × (-1)⁵ × xyx dla x = -1 , y = -⅙ d) (-7)ab²c³× (-2)³ × a³bc² dla a= ½ , b= -1, c=2
gosia1760
A) (-5)x(-0,2)x(-1)3x(-1/2)2=1x(-1)x1/4= -1/4 b) (-10)3x(-5)2x a5= (-1000)x25x(-0,1)5=(-1000)x25x0,00001= -0,25 d) (-7)x(-2)3x a4 x b3 x c5= (-7)x(-8)x(1/2)4x(-1)3x 25= 56 x 1/16 x (-1) x 32= -112
b) (-10)3x(-5)2x a5= (-1000)x25x(-0,1)5=(-1000)x25x0,00001= -0,25
d) (-7)x(-2)3x a4 x b3 x c5= (-7)x(-8)x(1/2)4x(-1)3x 25= 56 x 1/16 x (-1) x 32= -112