每千米路要用沙石（{#blank#}1{#/blank#} ）吨。（精确到个位）

3.5×0.99{#blank#}1{#/blank#}3.5

23.2×0.9{#blank#}2{#/blank#}0.9

2.76×1.52{#blank#}3{#/blank#}1.52

4.25×1.1{#blank#}4{#/blank#}4.25

1×0.44{#blank#}5{#/blank#}0.44

7.1×0.54{#blank#}6{#/blank#}7.1×5.4

9.24×0.9{#blank#}1{#/blank#}9.24      1×0.68{#blank#}2{#/blank#}0.68

3.6×1.01{#blank#}3{#/blank#}3.6       2.34×1.5{#blank#}4{#/blank#}23.4×0.15

（A×20）÷（B×20）={#blank#}1{#/blank#}      A÷B=（A÷{#blank#}2{#/blank#}）÷（B÷8）