Odpowiedź:
Szczegółowe wyjaśnienie:
y=4/3×(-18/5)+(9/15 -2 4/15)×1/2=
= -24/5+(9/5-1 19/15)×1/2=
=-24/5-1 10/15×1/2=
= -24/5-25/15×1/2=
= -24/5 -25/30=
= -4 4/5 -5/6=
= - 4 24/30 -25/30=
= -4 49/30= -5 19/30= -169/30
odwrotna (-30/169)
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Odpowiedź:
Szczegółowe wyjaśnienie:
y=4/3×(-18/5)+(9/15 -2 4/15)×1/2=
= -24/5+(9/5-1 19/15)×1/2=
=-24/5-1 10/15×1/2=
= -24/5-25/15×1/2=
= -24/5 -25/30=
= -4 4/5 -5/6=
= - 4 24/30 -25/30=
= -4 49/30= -5 19/30= -169/30
odwrotna (-30/169)