(来学网)用水泥砂浆砌筑2m3砖墙(240mm*115mm*53m)的总耗费用为1113块。已知砖的损耗率为5%,则标准砖、砂浆的净用量分别为().
  • A.
    (来学网)1057块、0.372m3
  • B.
    (来学网)1057块、0.454m3
  • C.
    (来学网)1060块、0.372m3
  • D.
    (来学网)1060块、0.449m3
正确答案:
D
答案解析:
1.砖的净用量=1113÷1.05=1060块2.砖的体积=1060×0.24×0.115×0.053=1.551m33.砂浆净用量=2-1.551=0.449m³