a×b=...
5×(-2)= -10
-9×6= -54
-6×(-2)= 12
4×(-8)= -32
-5×4= -20
0×(-12)= 0
b×a=...
-2×5= -10
6×(-9)= -54
.....
se inverseaza si da acelasi rezultat
(poate ai vrut sa zici a×c)
a×c=...
5×(-13)= -65
-9×(-10)= 90
-6×(-3)= 18
4×5= 20
-5×6= -30
0×5=0
b×c=...
-2×(-13)= 26
6×(-10)= -60
-2×(-3)= 6
-8×5= -45
4×6= 24
-12×5= -60
(a×b)×c=...
[5×(-2)]×(-13)= 130
(-9×6)×(-10)= 540
[-6×(-2)]×(-3)= -36
[4×(-8)]×5= -160
(-5×4)×6= -120
[0×(-12)]×5= 0
a×(b×c)=...
5×[-2×(-13)]= 130
-9×[6×(-10)]= 540
-6[-2×(-3)]= -36
4×(-8×5)= -160
-5×(4×6)= -120
0×(-12×5)= 0
a×(b+c)=...
5×[-2+(-13)]= -75
-9×[6+(-10)]= 36
-6×[-2+(-3)]= 30
4×(-8+5)= -12
-5×(4+6)= -50
0×(-12+5)= 0
ab+ac=...
-10+(-65)= -75
-54+90= 36
12+18= 30
-32+20= -12
-20+(-30)= -50
0+0=0
Nu sunt sigura daca e bine la ultimul.. Dar sper ca te-am ajutat!
