Question

4. Calculați: 8× 5+ 2x11; 4x 3+ 7x13; 5x 7+14x 0; 4x12 + 4x 8; 30×(0+9)= 9x 3+54x 1; 3x14+ 5x14; 0x18+ 3x18; 15x​

Answer 1

Răspuns:

8×5+2×11=40+22=62

4×3+7×13=12+91=103

5×7+14×0=35+0=35

4×12+4×8=48+32=80

30×(0+9)=30×9=270

9×3+54×1=27+54=81

3×14+5×14=42+70=112

0×18+3×18=0+54=54