User manual - fx-991ES
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■
方程式計算の例題
1
X
+
2Y
=
3
2X
+
3Y
=
4
を解く
A
N
5
(EQN)
1
(a
n
X+b
n
Y=c
n
)
1=2=3=
2=3=4=
=
c
2
X
2
+
2X
+
3
=
0
を解く
A
N
5
(EQN)
3
(aX
2
+bX+c=0)
1=2=3=
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