简便计算 27.3-5.34+2.7-4.66
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简便计算 27.3-5.34+2.7-4.66
简便计算 27.3-5.34+2.7-4.66
简便计算 27.3-5.34+2.7-4.66
27.3-5.34+2.7-4.66
=(27.3+2.7)-(5.34+4.66)
=30-10
=20
=(27.3+2.7)-(5.34+4.66)
=30-10
=20
你好,稀云儿
27.3-5.34+2.7-4.66
=27.3+2.7-(5.34+4.66)
=30-10
=20