Question

4. Calculează:
121 + (2 x 5 x 9) =
326 + (4 x 2 x 7) =
518 + (3 x 3 x 9) =
643 + (3 x 2 x 10) =​

Answer 1

Răspuns:

121+(2×5×9)=211

326+(4×2×7)=382

518+(3×3×9)=599

643+(3×2×10)=693

Answer 2

Răspuns:

121 +(2×5×9) = 121 + 90 = 211

326+(4×2×7) = 326 + 56 = 382

518 + (3×3×9) = 518 + 81 = 599

643 + (3×2×10) = 643 + 60 = 703