User manual - fx-991ES

– 117 –
=
=
X−Y＋Z＝2
3 X＋Y−Z＝0
−X＋Y＋Z＝4を解く
A
N5(EQN)
2(a
n
X+b
n
Y+c
n
Z=d
n
)
1=y1=1=
2=1=1=
y1=0=y1=
1=1=4=
=
c
c
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