Question

4. Calculează asociind convenabil factorii.
2 x 6 x 5 =
8 x 2 x 3
9x4=2​

Answer 1

Explicație pas cu pas:

2×6×5=

r:(2×5)×6=10×6=60

8×2×3=

r:(2×3)×8=6×8=48

9×4×2=

r:(4×2)×9=8×9=72

Answer 2

2 • 6 • 5 =

(2 • 5) • 6. =

10 • 6 =

60

8 • 2 • 3 =

8 • (2 • 3) =

8 • 6 =

48

9 • 4 • 2 =

9 • (4 • 2) =

9 • 8 =

72