Question

qual a respos dessa conta 40+[15+(12-7)+3]-9

Answer 1

40+[15+(12-7)+3]-9
40+[15+5+3]-9
40+[23]-9
63-9
54

Answer 2

40 + [15 + (12 - 7) + 3] - 9 =

40 + [15 + 5 + 3] - 9 =

40 + 23 - 9 =

63 - 9 =

54