Question

3. Grupează factorii pentru a calcula mai uşor:
a) 3 x 5 x2=
x 10
2x4x5=
=
X
b) 8x3x2=
2 x 6x4 =
X
x​

Answer 1

Răspuns:

3×5×2=×10

×10=3×5×2

×10=30

×=30÷10

×=3

2×4×5=×

×=2×4×5

×=40

8×3×2 =2×6×4 =×

×= 24×2=12×4

×=48