6.75-2.75/{10%*(9.75-4又1/4)}怎么简便啊!

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6.75-2.75/{10%*(9.75-4又1/4)}怎么简便啊!6.75-2.75/{10%*(9.75-4又1/4)}怎么简便啊!6.75-2.75/{10%*(9.75-4又1/4)}怎么简便

6.75-2.75/{10%*(9.75-4又1/4)}怎么简便啊!
6.75-2.75/{10%*(9.75-4又1/4)}
怎么简便啊!

6.75-2.75/{10%*(9.75-4又1/4)}怎么简便啊!
6.75-2.75/{10%*(9.75-4又1/4)}
=6.75-275/100/[10/100*(975/100-425/100)]
=6.75-275/100/[10/100*(550/100)]
=6.75-275/100/(55/100)
=6.75-275/55
=6.75-5
=1.75

6.75-2.75/{10%*(9.75-4又1/4)}
=6.75-275/100/[10/100*(975/100-425/100)]
=6.75-275/100/[10/100*(550/100)]
=6.75-275/100/(55/100)
=6.75-275/55
=6.75-5
=1.75