①0.3{#blank#}1{#/blank#}0.5    ②3.4{#blank#}2{#/blank#}4.3    ③5.1{#blank#}3{#/blank#}4.9

9.7＞□＞□＞□＞□＞9.0

0.5{#blank#}1{#/blank#}0.6     6.4{#blank#}2{#/blank#}6.3

0.5元{#blank#}1{#/blank#}5角          2.36元{#blank#}2{#/blank#}2.37元     7元8分{#blank#}3{#/blank#}7.8元 

9.4分米{#blank#}4{#/blank#}4.9分米    245角{#blank#}5{#/blank#}24元       98厘米{#blank#}6{#/blank#}9.8米

0.4米{#blank#}1{#/blank#} 1.4米              5角5分{#blank#}2{#/blank#} 0.5元

3分米{#blank#}3{#/blank#} 2.9分米            2平方分米{#blank#}4{#/blank#} 0.2平方分米

2元1角{#blank#}5{#/blank#}2元5分          8角{#blank#}6{#/blank#} 7角8分

1.3米{#blank#}7{#/blank#} 1米30厘米         0.8分米{#blank#}8{#/blank#} 80厘米