Odpowiedź:
a) ( 14 n² -4n) :2= 7n²- 2n
b) (-30 cd +6d):6 = -5cd +d
c) (6m +12m² -15) : 3= 2m + 4m²-5
d) ( 20p+ 35p³-5) :5 = 4p+7p³ -1
e) ( 4x + 12xy -20y) :4= x + 3xy - 5y
f) ( 6ab + 14a²-8b) :2= 3ab + 7a²-4b
g) (-30 uw +9u -6w) ;(-3)= 10uw -3u+2w
h) (-16x²-12xy +4) : (-4)= 4x²+3xy -1
Szczegółowe wyjaśnienie:
[tex]a)\ \ (14n^2-4n):2=14n^2:2-4n:2=7n^2-2n\\\\b)\ \ (-30cd+6d):6=-30cd:6+6d:6=-5cd+d\\\\c)\ \ (6m+12m^2-15):3=6m:3+12m^2:3-15:3=2m+4m^2-5\\\\d)\ \ (20p+35p^3-5):5=20p:5+35p^3:5-5:5=4p+7p^3-1\\\\e)\ \ (4x+12xy-20y):4=4x:4+12xy:4-20y:4=x+3xy-5y\\\\f)\ \ (6ab+14a^2-8b):2=6ab:2+14a^2:2-8b:2=3ab+7a^2-4b\\\\g)\ \ (-30uw+9u-6w):(-3)=-30uw:(-3)+9u:(-3)-6w:(-3)=\\\\=10uw-3u+2w\\\\h)\ \ (-16x^2-12xy+4):(-4)=-16x^2:(-4)-12xy:(-4)+4:(-4)=\\\\=4x^2+3xy-1[/tex]
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Odpowiedź:
a) ( 14 n² -4n) :2= 7n²- 2n
b) (-30 cd +6d):6 = -5cd +d
c) (6m +12m² -15) : 3= 2m + 4m²-5
d) ( 20p+ 35p³-5) :5 = 4p+7p³ -1
e) ( 4x + 12xy -20y) :4= x + 3xy - 5y
f) ( 6ab + 14a²-8b) :2= 3ab + 7a²-4b
g) (-30 uw +9u -6w) ;(-3)= 10uw -3u+2w
h) (-16x²-12xy +4) : (-4)= 4x²+3xy -1
Szczegółowe wyjaśnienie:
[tex]a)\ \ (14n^2-4n):2=14n^2:2-4n:2=7n^2-2n\\\\b)\ \ (-30cd+6d):6=-30cd:6+6d:6=-5cd+d\\\\c)\ \ (6m+12m^2-15):3=6m:3+12m^2:3-15:3=2m+4m^2-5\\\\d)\ \ (20p+35p^3-5):5=20p:5+35p^3:5-5:5=4p+7p^3-1\\\\e)\ \ (4x+12xy-20y):4=4x:4+12xy:4-20y:4=x+3xy-5y\\\\f)\ \ (6ab+14a^2-8b):2=6ab:2+14a^2:2-8b:2=3ab+7a^2-4b\\\\g)\ \ (-30uw+9u-6w):(-3)=-30uw:(-3)+9u:(-3)-6w:(-3)=\\\\=10uw-3u+2w\\\\h)\ \ (-16x^2-12xy+4):(-4)=-16x^2:(-4)-12xy:(-4)+4:(-4)=\\\\=4x^2+3xy-1[/tex]