Răspuns:la prima coloana 4×2=8,134×4=536,134×2=268,134×8=1072
A doua coloana 2×3=6,345×2=690,345×3=1035,345×6=2170
A treia coloana
5×2=10,408×5=1040,408×2=816,408×10=4080
Explicație pas cu pas:
a×b=8. a×c=4×134=536 b×c=268 a×b×c=4×2×134=8×134=1072
a×b=6. a×c=690 b×c=1035 a×b×c=2070
a×b=10 a×c=2040 b×c=816 a×b×c=4080
