M-n+r,якщо т==-4 7/8,n=-6,2,r=-1,8

Question

M-n+r,якщо т==-4 7/8,n=-6,2,r=-1,8

Comments

т = М ?

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= - 19/40

Answer 1

= - 19/40
((-4+1)+(32/40+35/40)) + 6  8/40 = -27/40 + 6  8/40  = -19/40