不计算，从左到右填写下表．

{#blank#}1{#/blank#}

350×6＝{#blank#}1{#/blank#}

{#blank#}2{#/blank#}×6＝2100

3500×60＝{#blank#}3{#/blank#}

350×{#blank#}4{#/blank#}＝2100

0.99×25{#blank#}1{#/blank#}25       46÷0.8{#blank#}2{#/blank#}46        5.3﹣ {#blank#}3{#/blank#}4.3

2.3×1.01{#blank#}1{#/blank#}2.3     5.7{#blank#}2{#/blank#}5.7÷0.17       {#blank#}3{#/blank#}

81{#blank#}1{#/blank#}0.5=40.5             81{#blank#}2{#/blank#}1.5=54

81{#blank#}3{#/blank#}0.5=162             81{#blank#}4{#/blank#}1.5=79.5