Question

resolver [40 + 2 x ( 7 - 5)] x 2 - 10

Answer 1

[40 + 2 x ( 2 )] x 2 - 10

[40 + 4 )] x 2 - 10

[44)] x 2 - 10

88 - 10 = 

78

Answer 2

40+2x2x2-10
1764x2-10
3528-10
3518