Traditional Culture Encyclopedia - Photography major - A school organizes an art photography exhibition, and the requirements for the submitted works are as follows: seven-inch photos (7 inches long and 5 inches wide); Stick the photo on the front of the
A school organizes an art photography exhibition, and the requirements for the submitted works are as follows: seven-inch photos (7 inches long and 5 inches wide); Stick the photo on the front of the
A school organizes an art photography exhibition, and the requirements for the submitted works are as follows: seven-inch photos (7 inches long and 5 inches wide); Stick the photo on the front of the rectangular backing paper.
Let the width of the backing paper exposed around the photo be x inches, according to the meaning of the question: (7+2x)(5+2x)=3×7×5,
So choose D.
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