圆桶直径1.51M高1.1M圆台小口直径0.31M高0.71M求圆桶和圆台的体积总和在线等

圆桶体积=1.51²×1.1×π/4≈1.97(M³)
圆台体积=0.71×(0.31²+1.51²+0.31×1.51)×π/12
≈0.53(M³)
总和=1.97+0.53=2.5(M³)