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歡迎您訪問(wèn)數(shù)學(xué)考題練習(xí):如左圖所示的正方體沿某些棱展開后,能得到的圖形!

數(shù)學(xué)考題練習(xí):如左圖所示的正方體沿某些棱展開后,能得到的圖形

更新時(shí)間:2024-01-12 16:37:47作者:貝語(yǔ)網(wǎng)校

如左圖所示的正方體沿某些棱展開后,能得到的圖形是

A.

B.

C.

D.

試題答案

B

試題解析

由平面圖形的折疊及立體圖形的表面展開圖的特點(diǎn)解題.

解答:由原正方體知,帶圖案的三個(gè)面相交于一點(diǎn),而通過(guò)折疊后A、C都不符合,且D折疊后圖案的位置正好相反,所以能得到的圖形是B.故選B.

點(diǎn)評(píng):解決此類問(wèn)題,要充分考慮帶有各種符號(hào)的面的特點(diǎn)及位置.

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