6.75-2.75除以{10%乘(9.75减四分之十七)}

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6.75-2.75除以{10%乘(9.75减四分之十七)}
6.75-2.75除以{10%乘(9.75减四分之十七)}

6.75-2.75除以{10%乘(9.75减四分之十七)}
=6.75-2.75÷(0.1×5.5)
=6.75-2.75÷0.55
=6.75-5
=1.75

6.75-2.75÷[10%×(9.75-4分之17)]
=6.75-2.75÷[10%×(9.75-4.25)]
=6.75-2.75÷(10%×5.5)
=6.75-2.75÷0.55
=6.75-5
=1.75

望采纳,谢谢!

3.75-2.75÷{10%×(9.75-17/4}
=3.75-2.75÷[0.1×(9.75-4.25)]
=3.75-2.75÷(0.1×5.5)
=3.75-2.75÷0.55
=3.75-5
=-1.25

原式=6.75-2.75÷[0.1×(9.75-4.25)]
=6.75-2.75÷(0.1×5.5)
=6.75-2.75÷0.55
=6.75-5
=1.75