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简便计算:10.75+0.4-9.473=()
人气:265 ℃ 时间:2020-05-25 06:01:10
解答
10.75+0.4-9.473
=10+0.75+0.4-(10-0.527)
=10+0.75+0.4-10+0.527
=1.15+0.527
=1.677
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