kilka zadan z wyrazen algebralicznych. Zdjecia w zalaczniku
zad1,
a)a²
b)2+n
c)(m+n):2
d)4+n²
zad2,
3xa2b=6abx
mn5am=5am²n
4xyxy²=4x²y³
-3b²ab2a²=-6a²b⁴
zad3,
a)2a²-1=2*(-2²)-1=2*4-1=8-1=7
b)2m-3n=2*1-3*5=2-15=-13
zad4,
a)(5a-7)+(3a-9)=5a-7+3a-9=8a+16
b)(6x-4y)-(-2x+6)=6x-4y+2x-6=8x-4y-6
c)2(8x+9)=16x+18
d)(-3a-12b-7)+(5a+6b-4)=-3a-12b-7+5a+6b-4=2a-6b+11
zad5,a)9x²+6x=3x(3x+2)
b)4ab-2a²b+2ab=2a(2b-ab+ab
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
zad1,
a)a²
b)2+n
c)(m+n):2
d)4+n²
zad2,
3xa2b=6abx
mn5am=5am²n
4xyxy²=4x²y³
-3b²ab2a²=-6a²b⁴
zad3,
a)2a²-1=2*(-2²)-1=2*4-1=8-1=7
b)2m-3n=2*1-3*5=2-15=-13
zad4,
a)(5a-7)+(3a-9)=5a-7+3a-9=8a+16
b)(6x-4y)-(-2x+6)=6x-4y+2x-6=8x-4y-6
c)2(8x+9)=16x+18
d)(-3a-12b-7)+(5a+6b-4)=-3a-12b-7+5a+6b-4=2a-6b+11
zad5,a)9x²+6x=3x(3x+2)
b)4ab-2a²b+2ab=2a(2b-ab+ab