参考答案: A
详细解析:
用砖数: A=1 /(墙厚×(砖长+灰缝)×(砖厚+灰缝))×k
砂浆用量:B=1-砖数×砖块体积(砖的净体积)
损耗率=损耗量/净用量×100%
总消耗量=净用量+损耗量=净用量×(1+损耗率)
100m²墙面中瓷砖的块数=100/[(0.2+0.005)×(0.3+0.005)] ×0.2×0.3=1599.36块
100m²墙面中瓷砖的面积=1599.36块×0.2×0.3=95.96m²
瓷砖的消耗:95.96×1.08=103.6m²
因此正确答案是A