Mathematics
Junior High
Resolved
大至急クローバーの問題をお願いします!
3次の連立方程式を解きなさい。
+y=-2
e+3y =2
口(1)
リ-3
2
※口(2)
2
2+1
x+y
2
3
x+3
リ-5
2
=2
3
2(r+1)-39 =5
口(3)
口(4)
2-1
-1
ー
+ 3y =1
2
4
誰な
638あケ
(r+3):y=5:2
2(r-y)-5= 3y+7
口(5)
口(6)
x-y
=2
0.6.r- 1.2y =3
3
4
8
3
2
口8)
5シ=7
1.2(r-1)+0.7y=7
1
16
口(7)
C-1
3
ニ
0.4.r-(y-0.5) =5.7
3
2
Answers
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