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题型:填空题 题类:常考题 难易度:普通
(1)3x+2(x-2)= {#blank#}1{#/blank#}
(2)8y-6(y-2)= {#blank#}2{#/blank#}
(1)(﹣)﹣2+()0+(﹣5)3÷(﹣5)2;
(2)(2xy2)3﹣(5xy2)(﹣xy2)2 .
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