Question

Buna ziua,am un exercitiu la matematica care nu-mi reuseste.
Zice asa: Inlocuiti ? cu numere naturale potrivite.Gasiti cel putin trei solutii.Lucrati cu numere cat mai mici.
5*?=3*?
5*?=7*?
?*5=11*?
?*5=2*?
?*5=6*?
5*?=?*5

Multumesc anticipat

Answer 1

5x3=3x5,  5x6=3x10,  
5x7=7x5, 
11x5=11x5, 
2x5=2x5, 4x5=2x10, 6x5=2x15
6x5=6x5, 12x5=6x10, 
5x5=5x5,  5x3=3x5,  5x6=6x5

Answer 2

5×3=3×5,5×6=3×10,5×9=3×15
5×7=7×5,5×12=7×10,5×28=7×20
11×5=11×5,33×5=11×15,
2×5=2×5,4×5=2×10,6×5=2×15