Răspuns:
2x5+5x2+3x5 =
Explicație pas cu pas:
2x5+5x2+3x5=5x(2+2+3)=5x7=35
2×5+5×2+3×5=10+10+15
=35
6×9+3×9+0×9=54+27+0
=81
9×2-9×1+7×9=18-9+63
=72
3×9-4×3-3×5=27-12-15
=0
3×1+2×3+3×3+4×3=3+6+9+12
=30
7×6+5×7-7×2-3×7=42+35+14+21
= 77+35= 102
Succes!
