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0.5{#blank#}1{#/blank#}0.50     1.213{#blank#}2{#/blank#}1.21

4.3{#blank#}1{#/blank#}3.984     4.25{#blank#}2{#/blank#}4.528

2.04      2.11      2.009     2.15     3.01

{#blank#}1{#/blank#}<{#blank#}2{#/blank#}<{#blank#}3{#/blank#}<{#blank#}4{#/blank#}<{#blank#}5{#/blank#}

0.873{#blank#}1{#/blank#}0.837         7.05平方米{#blank#}2{#/blank#} 705平方分米             325×18{#blank#}3{#/blank#}325×19

4.5{#blank#}4{#/blank#}4.500            （156+144）×9{#blank#}5{#/blank#}156×9+144          7米5分米9厘米{#blank#}6{#/blank#} 7.59米