Traditional Culture Encyclopedia - Photography and portraiture - Wood for splicing photographic works
Wood for splicing photographic works
The length of this photographic work is twice the length of the photo plus the width of the wooden frame, that is, A+2×2 = A+4 cm.
The width of this photographic work is twice the width of the photo plus the width of the wooden frame, right? A+2×2 =？ A +4 cm,
So the area of this photographic work is (A+4)×(A+4) =? Answer? +7A+ 16 cm2.
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