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15.52-1.6乘2.4-5.7能简便算吗
人气:481 ℃ 时间:2020-04-03 15:08:49
解答
15.52-1.6乘2.4-5.7
=15.52-3.84-5.7
=15.52-9.54
=15.52-10+0.46
=5.52+0.46
=5.98
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