17dm=cm2 70m= dm35m5 cm= cm45 m50 cm= dm5990cm=mdm6606 cm= m cm78m+15dm=mcm8 11m-3dm= m dm9 8dm4cm-8cm^2cm10 67*(32-27)=11 8*7*50=12 87+13*3*3=13 (88+365)÷3=14 5*123+178=15 380*9÷38= 相关知识点: 试题来源: 解析 170270035054555996667950810797610335112...