填空a(x+y-z)+b(x+y-z)-c(x+y-z)=(x+y-z)乘以()
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![填空a(x+y-z)+b(x+y-z)-c(x+y-z)=(x+y-z)乘以()](/uploads/image/z/14990777-17-7.jpg?t=%E5%A1%AB%E7%A9%BAa%28x%2By-z%29%2Bb%28x%2By-z%29-c%28x%2By-z%29%3D%28x%2By-z%29%E4%B9%98%E4%BB%A5%28%29)
填空a(x+y-z)+b(x+y-z)-c(x+y-z)=(x+y-z)乘以()
填空a(x+y-z)+b(x+y-z)-c(x+y-z)=(x+y-z)乘以()
填空a(x+y-z)+b(x+y-z)-c(x+y-z)=(x+y-z)乘以()
a(x+y-z)+b(x+y-z)-c(x+y-z)=(x+y-z)乘以(a+b-c)
a(x+y-z)+b(x+y-z)-c(x+y-z)=(x+y-z)乘以(a+b-c)
a+b-c
提取公因式(x+y-z)可得该空应填:a+b-c