Question

2×7+2/2×5-2×3=

 

Answer 1

2 x 7 + 2/2 x 5 - 2 x 3 = 14 + 1 x 5 - 2 x 3

14 + 5 - 6  =13

Answer 2

\(2\cdot7+\frac{2}{2}\cdot5-2\cdot3\)

\(14+5-6\)

\(19-6=13\)

Answer 3

2 x 7 + 2/2 x 5 -  2 x 3 = 2 x (7 + 3) + 2/2 x 5 = 2 x 10 + 2/2 x 5 = 20 + 5 = 25

(Nhớ k cho mình với nhá!)