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a fost răspuns

pune paranteze 2+3+5×4=34 2+9×5-5×2=84 1+3×5-4×2=8

Răspuns :

Elena12541
2+(3+5)x4=34. 2+9x5-5x2=84 1+(3x5)-4x2=8
Spidie
2+(3+5)×4=34
2+8*4=2+32=34

[2+(9×5-5)]×2=84
(2+40)*2=84
42*2=84

1+(3×5- 4×2)=8
1+(15-8)=8
1+7=8