题目内容

排一排.
(1)4.504.0540.50.455.400.54
______<______<______<______<______<______;
(2)1千米27000dm2102公顷
______>______>______.
0.45<0.54<4.05<4.50<5.40<40.5;
102公顷>1千米2>7000dm2
故答案为:0.45,0.54,4.05,4.50,5.40,40.5;102公顷,1千米2,7000dm2
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