Oblicz:
a) 3/4 - 3/2 + ( 2 1/2 - 1 7/8):1/8-2 1/4
Bardzo prosze o pomoc : )
Dam naj . !
3/4-3/2+(2 1/2- 1 7/8) : 1/8 - 2 1/4 =
=3/4 - 6/4 + (3/2 - 14/8) : 1/8 - 9/4 =
= -3/4 + (12/8 - 14/8) : 1/8 - 18/8=
= -3/4 + (-2/8) : - 18/8=
= -3/4 - 2/8 : 18/8=
= -3/4 - 2/8 x 8/18=
= -3/4 - 2/18=
= -27 /36 - 4/36 =
= -23/36
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3/4-3/2+(2 1/2- 1 7/8) : 1/8 - 2 1/4 =
=3/4 - 6/4 + (3/2 - 14/8) : 1/8 - 9/4 =
= -3/4 + (12/8 - 14/8) : 1/8 - 18/8=
= -3/4 + (-2/8) : - 18/8=
= -3/4 - 2/8 : 18/8=
= -3/4 - 2/8 x 8/18=
= -3/4 - 2/18=
= -27 /36 - 4/36 =
= -23/36