下列单位换算是否正确:
(1)4.5m=4.5m×100cm=450cm; (2)456mm=456×=0.456m;
(3)36cm=36÷100m=0.36m; (4)64dm=64×m=6.4m.
下列单位换算是否正确:
(1)4.5m=4.5m×100cm=450cm; (2)456mm=456×=0.456m;
(3)36cm=36÷100m=0.36m; (4)64dm=64×m=6.4m.
(4)