Chemistry
Senior High
何故答えは有効数字が四桁になるんですか?
ーー諾
ンド (原石) E 3
! 了只ーー
6の相対質量メ'"Cの存在比 人SCの相対質量X"Cの
8 ) 縛 (soo *
ーー
すう 間還oo える必要はねい)) 折
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