普通砖的尺寸是240*115*53,24墙128块
1m×1m×0.24m=0.24m³.
定额10m³砖墙需砂浆2.36m³.
设0.24m³砖墙所需砂浆为X,
则10∶2.36=0.24∶X
X=2.36×0.24÷10=0.05664m³,