75÷0.25+1.25÷0.25怎样简便计算?
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75÷0.25+1.25÷0.25怎样简便计算?
75÷0.25+1.25÷0.25
=(75+1.25)÷0.25
=76.25x4
=(76+0.25)x4
=76x4+0.25x4
=304+1
=305
=(75+1.25)÷0.25
=76.25x4
=(76+0.25)x4
=76x4+0.25x4
=304+1
=305