0.25×0.046≈{#blank#}1{#/blank#}（保留两位小数）

0.12×0.44≈{#blank#}2{#/blank#}（精确到十分位）

6.68{#blank#}1{#/blank#}6.87           9.8{#blank#}2{#/blank#}9.08

7.9×1.01{#blank#}3{#/blank#}7.9        2.41×6.5{#blank#}4{#/blank#}24.1×0.65

5.82×0.9{#blank#}1{#/blank#}5.82         24.6×83.5+16.5{#blank#}2{#/blank#}24.6×（83.5+16.5）

0.5÷0.9{#blank#}3{#/blank#}0.5              4.3÷0.01{#blank#}4{#/blank#}4.3×100

756×0.9{#blank#}1{#/blank#}756        4.25×1.1{#blank#}2{#/blank#} 4.25

0.8÷1.2{#blank#}3{#/blank#}0.8        0.7÷0.18{#blank#}4{#/blank#}0.7