Mathematics
Senior High
答え分かる方教えて下さい
(6) 12%の食塩水9 gと7%の食塩水| 10 gを混ぜると8%の食塩水100gになる。
9
10
0 20
2 35
3 50
の 65
5 80
『ワ
009
1500
coe
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