
5.25 3.16-1.28-6.840怎样简便计算?
展开全部
简便计算
5.25+3.16-1.28-6.84
=(5.25+3.16)-(1.28十6.84)
=8.41一8.12
=0.29
5.25+3.16-1.28-6.84
=(5.25+3.16)-(1.28十6.84)
=8.41一8.12
=0.29
追答
简便计算
5.25+3.16-1.28-6.84
=(5.25+3.16)-(1.28十6.84)
=8.41一8.12
=0.29
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