Răspuns :
n=[22+132:(72-6)-(180:20-4:2)]•116+9
n=[22+132:66-(9-2)]•116+9
n=(22+2-7)•116+9
n=(24-7)•116+9
n=17•116+9
n=1972+9
n=1981
n=[22+132:66-(9-2)]•116+9
n=(22+2-7)•116+9
n=(24-7)•116+9
n=17•116+9
n=1972+9
n=1981
n=[22+132:(72-6)-(180:20-4:2)]x116+9
n=[22+132:66-(9-2)]x116+9
n=(22+2-7)x116+9
n=17x116+9=1972+9=1981