Question

7* 9 +12 : 3 - 2 =23    7* 9 + 12 : 3- 2 = 65    7*9+ 12 : 3 - 2 = 47

Answer 1

(7*9+12):3-2=23

(63+12):3-2=23

75:3-2=23

25-2=23

23=23

(7*9)+(12:3)-2=65

63+4-2=65

63+2=65

65=65

7*((9+12):3)-2=47

7*7-2=47

49-2=47

47=47