面积=(6×8+6×3+8×3)×2-6×8-15.6=116.4平方米
供需涂料116.4×0.25=29.1千克谢谢啦!!很感动
一间教室长8米,宽6米,门窗面积共15.6平方米.要粉刷四壁和顶,如果每平方米用涂料0.25千克,共需
一间教室长8米,宽6米,门窗面积共15.6平方米.要粉刷四壁和顶,如果每平方米用涂料0.25千克,共需
涂料多少千克?
涂料多少千克?
数学人气:332 ℃时间:2019-10-19 20:33:44
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