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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#}

0.18{#blank#}1{#/blank#}0.108        2.1{#blank#}2{#/blank#}2.10         3.2×1.02{#blank#}3{#/blank#}3.2×0.98

7.8×0.5{#blank#}4{#/blank#}7.8+0.5    0.9×0.72{#blank#}5{#/blank#}0.9    0.89×27{#blank#}6{#/blank#}2.7

①1.05-0.75=     ②1.25×0.08=       ③9-0.99=         ④2×5÷0.01=

⑤2.4×0.5=       ⑥20.03×0.1=        ⑦1- =      ⑧2.949÷1.5≈（得数保留一位小数）