(3-1/51)*17?

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(3-1/51)*17?
(3-1/51)*17?

(3-1/51)*17?
(3-1/51)*17
=3*17-1/51*17
=51-1/3
=50又2/3

(3 - (1 / 51)) * 17 = 50.6666667

(3-1/51)*17=3*17-1/51*17=51-1/3=152/3