Question

5×3×2=3×□×2=2×5×□ ce factor lipseste​

Answer 1

Răspuns:

In prima casuta trebuie 5 iar in a doua trebuie 3.

Explicație pas cu pas:

5 × 3 × 2 = 3 × a × 2 = 2 × 5 × b

15 × 2 = 3 × 2 × a = 10 × b

30 = 6 × a = 10 × b

6 × a = 30

a = 30 : 6

a = 5

10 × b = 30

b = 30 : 10

b = 3

Answer 2

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