修改时间:2024-07-31 浏览次数:261 类型:期中考试 编辑
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× ÷ 1÷ ÷1
× = 10÷ = ÷ = 1÷ × =
5.1× = 0÷ = - = × ÷ × =
① × × ×
②8.6- ÷ ×
③ ×16×
④11.9× +1.1×
⑤( + )×7×11
⑥ × + ×
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