4.28除以0.25+1点25除以0.25简便方法怎么算
4.28÷0.25+1.25÷0.25
=(4.28+1.25)÷0.25
=5.53÷0.25
=5÷0.25+0.5÷0.25+0.025÷0.25+0.005÷0.25
=20+2+0.1+0.02
=22.12
=(4.28+1.25)÷0.25
=5.53÷0.25
=5÷0.25+0.5÷0.25+0.025÷0.25+0.005÷0.25
=20+2+0.1+0.02
=22.12
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