一个正方体木块，棱长是1米，沿着水平方向将它锯成2片，每片又锯成3长条，每条又锯成4小块，共得到大大小小的长方体24块，那么这24块长方体的表面积之和是多少？
直接写得数==========
直接写得数=== 3÷8=========
直接写出得数． 93= 8.7﹣7=÷1= 21÷7= 7×÷7×= 44÷= 75÷10%= 0.9+99×0.9=
直接写出得数．
直接写出得数．÷=+=÷=×= 1÷0.25=÷1=÷3=﹣=
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= 3÷8=
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= 75÷10%= 0.9+99×0.9=
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