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56.02-24.8+4.98的简便计算
人气:276 ℃ 时间:2020-04-03 07:33:33
解答
56+0.02+4+0.98-24-0.8
=(56+4-24)+0.02+0.98-0.8
=36+1-0.8
=36.2
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