r=10 cmr=0.4 dmr=14.4 mmr=2.8cmd=6 cmd=2.5mrrd=3.6mr=7.5 cmd=2.6mrr=r=4 dmd=9md=20 cm
直接写得数。d=5mrr=4cmd=d=3.5m^3d=15dmd=60.5cmr=r=70md=d=4.8cmrd=84dmr=r=11md=r=3.6dmd=r=12.6dmdd=130cmrr=13.8cmd=r=67md= 相关知识点: 试题来源: 解析 2.5m8cm1.75m7.5dm30.25cm140m2.4cm42dm22m7.2dm25.2dm65cm27.6cm134m ...