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a) = 4x+3y-2y+7y-3=4x+8y-3
b) = 10x (kwadrat) -y-3-2x(kwadrat)-3y+1+4x(kwadrat)-5y+18=14x(kwadrat)-9y+16
c) =5a-12,5b+4,5+3,3a+2,2b-7,3-4,2+a+10,3b=9,3a-7
d)=2x-7-3y-5x+15z-4y+3x-11z+7 =-7y+4z
a)=4x-20y+3x+24y=7x+4y
b)=5a-10b-5-3a+12b=2a+2b-5
c)=3x-15-21x+14+35+25x=7x+34
d)=5a-4a+12b-4+8+a-9b=3b+4
e)=5x+18+4x+5y-8x-12y=x+7y+18
f)=-2a+12b-6-14b+21a-14-20a+15b=-a+13b-20
a)=4x-28y-16x+32y+3x-9y+13=-9x-5y+13
b)=-10ab+5a+27ab-6b-a+2b=17ab+4a-4b
c)=10xy-2,5xz-9xy+4,5yz+17,5yz-7xz = xy-9,5xz+22yz
Mam nadzieję,że pomogłam :)
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a) = 4x+3y-2y+7y-3=4x+8y-3
b) = 10x (kwadrat) -y-3-2x(kwadrat)-3y+1+4x(kwadrat)-5y+18=14x(kwadrat)-9y+16
c) =5a-12,5b+4,5+3,3a+2,2b-7,3-4,2+a+10,3b=9,3a-7
d)=2x-7-3y-5x+15z-4y+3x-11z+7 =-7y+4z
a)=4x-20y+3x+24y=7x+4y
b)=5a-10b-5-3a+12b=2a+2b-5
c)=3x-15-21x+14+35+25x=7x+34
d)=5a-4a+12b-4+8+a-9b=3b+4
e)=5x+18+4x+5y-8x-12y=x+7y+18
f)=-2a+12b-6-14b+21a-14-20a+15b=-a+13b-20
a)=4x-28y-16x+32y+3x-9y+13=-9x-5y+13
b)=-10ab+5a+27ab-6b-a+2b=17ab+4a-4b
c)=10xy-2,5xz-9xy+4,5yz+17,5yz-7xz = xy-9,5xz+22yz
Mam nadzieję,że pomogłam :)