Question

complectează cu numerele corespunzătoare.calculeaza la caietul elevului clasa |||-a. 8×(5+4)=8×?+8?×?=?
7×(2+6)=?×2+?×6=?

9×(4+2)=?×?+?×?=?
(3+4)×5=?×5+?×5=?
(2+6)×3=2×?+6×?=?

(8+2)×4=?×?+?×=?
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Answer 1

Răspuns:

8×(5+4)=8×5+8×4=40+32=72

7×(2+6)=7×2+7×6=14+42=56

9×(4+2)=9×4+9×2=36+18

(3+4)×5=5×3+5×4=15+20=35

(2+6)×3=2×3+3×6=6+18=24

(8+2)×4=8×4+8×2=32+16=48