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Davidel20071
a fost răspuns

scrie e xercitile dupa model 6×3+6×12=6×(3+12) 7×8+3×8= 5×11+11×8;6×15+15×4;8×5-8×3;9×8-6×9;4×15-4×1;8×12-8×6

Răspuns :

Roves
7×8+3×8=8×(3+7)=8×10=80
5×11+11×8=11×(5+8)=11×13=143
6×15+15×4=15×(6+4)=15×10=150
8×5-8×3=8×(5-3)=8×2=16
9×8-6×9=9×(8-6)=9×2=18
4×15-4×1=4×(15-1)=4×14=56
8×12-8×6=8×(12-6)=8×6=48
Mariacristina07
8×(7+3)
11×(5+8)
15x (6+4)
8x (5-3)
9x (8-6)
4x (15-1)
8x (12-6)

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