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题型:填空题 题类:常考题 难易度:困难
{#blank#}1{#/blank#}
{#blank#}2{#/blank#}
①
②
③
④21×
⑤ ÷8
⑥
⑦
⑧
5× = = = =
100×20%= = 1÷25%= 75%+ =
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