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买10张画片{#blank#}1{#/blank#}元，买12本练习本{#blank#}2{#/blank#}元，买5个乒乓球{#blank#}3{#/blank#}元，小明有2元钱，可以买{#blank#}4{#/blank#}

0.6×0.03≈{#blank#}1{#/blank#}

5×0.007≈{#blank#}2{#/blank#}

687+95=       0.46+4.9=       

0.5×2.4=       0.84÷0.7=        2.6× =

         1.25× ×8=

3.28×0.9{#blank#}1{#/blank#}3.28      3.28×1.005{#blank#}2{#/blank#}3.28        32.8×0.1{#blank#}3{#/blank#}3.28

4.5{#blank#}4{#/blank#}45×0.1          4.5×0.5{#blank#}5{#/blank#}4.5             4.5×1.3{#blank#}6{#/blank#}4.5