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Trinomial formula
Yunhe County Liyuan Crafts Co., Ltd
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Exhibit Profile
Teaching aid broussonetia papyrifera composition: A box containing 27 small prisms, demonstrating the equation (a+b+c)3=a3+3a2b+3a2c+b3+3ab2+3b2c+c3+3ac2+3bc2+6abc. The box lid displays this pattern in planar form. Material: Beech wood. Packaging method: White box. Packaging dimensions: 14*14*12cm.
Exhibit Highlights
Teaching aid broussonetia papyrifera composition: A box containing 27 small prisms, demonstrating the equation (a+b+c)3=a3+3a2b+3a2c+b3+3ab2+3b2c+c3+3ac2+3bc2+6abc. The box lid displays this pattern in planar form. Material: Beech wood. Packaging method: White box. Packaging dimensions: 14*14*12cm.
