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【多选题】
试算平衡表中,试算平衡的公式有()A.
全部账户的借方期初余额合计=全部账户的贷方期初余额合计
B.
借方期末余额=借方期初余额+本期借方发生额-本期贷方发生额
C.
全部账户借方发生额合计=全部账户本期贷方发生额合计
D.
全部账户的借方期末余额合计=全部账户的贷方期末余额合计
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A.
Sn 4+ ， Fe 2+
B.
Fe 3+ ， Fe 2+
C.
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D.
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