Question

Dau coroană dacă rezolvați aceste ex​

Answer 1

Răspuns:

2/5=2×3/5×3=6/15

4/9=4×5/9×5=20/45

-3/7=-3×4/7×4=-12/28

5/6=5×6/6×6=30/36

Explicație pas cu pas:

1,8/3=1,8×2,5/3×2,5=4,5/7,5

-2,1/4,4=-2,1×3/4,4×3=6,3/13,2

-3,5/6,8=-3,5×1,6/6,8×1,6=-5,6/10,88