Question

compara numerele
2x3+2x4si 2x(3+4)


2x3+2x4+2x2si 2x (3+4+2+)

Answer 1

2 × 3 + 2 × 4 = 6 + 8 = 14

2 × ( 3 + 4 ) = 2 × 7 = 14

14 = 14 ( egale )

2 × 3 + 2 × 4 + 2 × 2 = 6 + 8 + 4 = 18

2 × ( 3 + 4 + 2 ) = 2 × ( 7 + 2 ) = 2 × 9 = 18

18 = 18 ( egale )

Answer 2

2 × 3 + 2 × 4 =

6 + 8 = 14

2 × ( 3 + 4 ) =

2 × 7 = 14

14 = 14

2 × 3 + 2 × 4 + 2 × 2 =

6 + 8 + 4 =

14 + 4 = 18

2 × ( 3 + 4 + 2 ) =

2 × ( 7 + 2 ) =

2 × 9 = 18

18 = 18