Oblicz . a) 12 - 91 : ( 0,12 + 1/4 * ( -2- 0,3)) = ...........
b) 4 + 16 : (9 - 8,75) do potęgi -1 = ...........
a) 12 - 91 : ( 0,12 + 1/4 * ( -2- 0,3)) = 12-91:(12/100-1/4*23/10)=
=12-91:(24/200-23*5/200)=12+91*200/91=12+200=212
b) 4 + 16 : (9 - 8,75) ^( -1) =4+16*(0,25)=4+16*(1/4)=4+4=8
12-91:(0,12+1\4*(-2,3))=12-91:(0,12-0,575)=12-91:(-0,455)=12+200=212
4+16:(9-8,75)do-1=4+16:4=4+4=8
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a) 12 - 91 : ( 0,12 + 1/4 * ( -2- 0,3)) = 12-91:(12/100-1/4*23/10)=
=12-91:(24/200-23*5/200)=12+91*200/91=12+200=212
b) 4 + 16 : (9 - 8,75) ^( -1) =4+16*(0,25)=4+16*(1/4)=4+4=8
12-91:(0,12+1\4*(-2,3))=12-91:(0,12-0,575)=12-91:(-0,455)=12+200=212
4+16:(9-8,75)do-1=4+16:4=4+4=8