3.75-0.75×4+0.6的简便方法？
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3.75-0.75×4+0.6
=3.75-3+0.6
=0.75+0.6
=1.35
3.75-0.75×4+0.6
=375/100-75/100×4+6/10
=15/4-3/4×4+3/5
=15/4-3+3/5
=3/4+3/5
=（3×5+3×4）/20
=27/20
=1.35
=3.75-3+0.6
=0.75+0.6
=1.35
3.75-0.75×4+0.6
=375/100-75/100×4+6/10
=15/4-3/4×4+3/5
=15/4-3+3/5
=3/4+3/5
=（3×5+3×4）/20
=27/20
=1.35
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