3/4x6.7+4.3Ⅹ0.75-3/4怎么算?
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解:3/4Ⅹ6.7+4.3Ⅹ0.75-3/4=0.75X6.7+4.3X0.75-0.75=0.75Ⅹ(6.7+4.3-1)=0.75X10=7.5
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3/4×6.7+4.3×0.75-3/4
=0.75×6.7+4.3×0.75-0.75
=0.75×(6.7+4.3-1)
=0.75×10
=7.5
若满意请采纳
=0.75×6.7+4.3×0.75-0.75
=0.75×(6.7+4.3-1)
=0.75×10
=7.5
若满意请采纳
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3/4*6.7+4.3*0.75-3/4
=3/4*67/10+43/10*75/100-3/4
=201/40+129/40-30/40
=300/40
=7.5
=3/4*67/10+43/10*75/100-3/4
=201/40+129/40-30/40
=300/40
=7.5
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