Re: [計量] PP1 PS 87
※ 引述《kayfire (小刺不哭~*)》之銘言:
+ | X Y Z
-------------
4 | 1 -5 m
e | 7 n 10
f | 2 -4 5
in the addition table shown above, what is the value of m+n?
m+n = e+Y+4+Z
e+z=10,
4+Y=-5 => Y=-9
thus, m+n = 10 + (-9) + 4 = 5
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