Es de esta manera...
sumas de manera vertical
5+7=x
x+9=21
21+y=32
32+13=45
45+15=z
z+17=77
77+m=96
96+21=117
117+23=n
Entonces:
x=12
y=11
z=60
m=19
n=140
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Es de esta manera...
sumas de manera vertical
5+7=x
x+9=21
21+y=32
32+13=45
45+15=z
z+17=77
77+m=96
96+21=117
117+23=n
Entonces:
x=12
y=11
z=60
m=19
n=140