Q23:
+
x
y
z
d
m
e
n
f
The figure above shows two entries, indicated by m and n, in an addition table. What is the value of n + m?
(1) d + y = -3
(2) e + z = 12
我怎么看不明白这个表格啊?
我也看不懂你的表格了
实际就是 行+列=交叉处的值
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