I gimnazjum

Matematyka wokół nas 1

a) 4a+4=4(a+1) 25a−5=5(5a−1) 0,6a+0,6=0,6(a+1)

a) 3a−3=3(a−1) 4+4x=4(1+x) 6m−6a=6(m−a)

a) &nbsp;&nbsp; 4x−8y−4z=4(x−2y−z) &nbsp; &nbsp; &nbsp;&nbsp; 6a−9b+12y=3(2a−3b+4y)

P1​=3(2b+4)=6b+12

P1​=ab+cd

2x+3x2y−12xy−5x−12x2y+24xy=−3x−9x2y+12xy=3x(−1−3xy+4y) &nbsp;

−2(a+2b2)−4ab2−(−7(a−b2)+2(2b2−7ab2))=

1000a+100b+10⋅0+c−(1000c+100⋅0+10b+a)=