7
8
9
10
11
12
13
14
15
16
17
a)x=∣−0,5∣=0,5=105=21
5x3yz−4x2y2+[−7x3yz−(3x2y2−2z2)]=5x3yz−4x2y2+[−7x3yz−3x2y2+2z2]=5x3yz−4x2y2−7x3yz−3x2y2+2z2=5x3yz−7x3yz−4x2y2−3x2y2+2z2=
Komentarze