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0.111*5.5+0.555*0.9
人气:316 ℃ 时间:2020-03-31 22:35:46
解答
0.111*5.5+0.555*0.9
=0.111×5.5+0.111×4.5
=0.111×(5.5+4.5)
=0.111×10
=1.11
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