化简:(1+m)^2-(1-m)^2的结果是____.
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![化简:(1+m)^2-(1-m)^2的结果是____.](/uploads/image/z/3755030-14-0.jpg?t=%E5%8C%96%E7%AE%80%3A%281%2Bm%29%5E2-%281-m%29%5E2%E7%9A%84%E7%BB%93%E6%9E%9C%E6%98%AF____.)
化简:(1+m)^2-(1-m)^2的结果是____.
化简:(1+m)^2-(1-m)^2的结果是____.
化简:(1+m)^2-(1-m)^2的结果是____.
:(1+m)^2-(1-m)^2
=(1+m+1-m)(1+m-1+m)
=2×2m
=4m;
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原式=(1+m+1-m)(1+m-1+m)
=2×2m
=4m
望采纳