zad.1 Usuń nawiasy i wykonaj redukcję wyrazów podobnych,,
a) 4c - (3C+2) - 10c = ?
b) 7x - 8-(5x+6) = ?
c) 9y - (8-3y) +16 =?
d)5x - (2-4x)+8x-7 =?
e) - (-5c-8)+6-9c-c =?
f) -4(3x-6)-3(2+7x) = ?
g) 5(3z-7)-9c-c =?
h) -3(5x-4)+8(-3x+2) = ?
i) 7x-3(5x+2) - 6(7+2x) =?
zad2. Wykonaj mnożenie i redukcję wyrazow podobnych
a) 5a+4(a-1)=?
b) 5a+3(a-2)+5b=?
c) 4(2b+1/2)-6b=?
d)2a+ 0,5(a-2)+5b =?
e) 3x-0,2(1-2x) =?
f) -1/3(a+3b)-2a =?
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
1.
a) 4c - (3C+2) - 10c = 4c - 3c - 2 -10c= -9c-2
b) 7x - 8-(5x+6) = 7x-8-5x-6=2x-14
c) 9y - (8-3y) +16 = 9y-8+3y+16=12y+8
d)5x - (2-4x)+8x-7 = 5x-2+4x+8x-7=17x-9
e) - (-5c-8)+6-9c-c =5c+8+6-9c-c=-5c+14
f) -4(3x-6)-3(2+7x) = -12x+24-6-21x=-33x+18
g) 5(3z-7)-9c-c =15z-35-9c-c=15z-35-10c
h) -3(5x-4)+8(-3x+2) = -15x+12-24x+16=-39x+28
i) 7x-3(5x+2) - 6(7+2x) =7x-15x-6-42-12x=-20x-48
2.
a) 5a+4(a-1)=5a+4a-4=9a-4
b) 5a+3(a-2)+5b=5a+3a-6+5b=8a-6+5b
c) 4(2b+1/2)-6b=8b+2-6b=2b+2
d)2a+ 0,5(a-2)+5b =2a+0,5a-1+5b=2,5a-1+5b
e) 3x-0,2(1-2x) =3x-0,2+0,4x=3,4x-0,2
f) -1/3(a+3b)-2a =-1/3a-b-2a=-2 i 1/3a -b