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Fe – Cu - Cr
Câu 1: !"#$!%&'(&'
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Câu 2:?,!.!./0
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Câu 4:1J!C0,0K3L!3#0(MN!O,P!0?Q00I!C0D7*8
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Câu 5:!,!-55.!./0

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Câu 10:b0S-44!"#&'@
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Câu 11:Y-!9(55.!./00C[1*
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Câu 18:!,!-55.!./0
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Câu 20:+!"#$!%W(&',!.!./0
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Câu 21:*F>!"#0S0W$N!F3#0 )!"#0S0
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Câu 25:+9>!"#72!W&'8(.!./0
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Câu 26:+![tZ(.!./0.33#0>9 UU
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Câu 27::?STh
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9#06&'7uuu80d0UFS9^9#06&'7uuu8r(I!%,!j9
Câu 28:T.l!0].6T\2!$
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$0]h
$9.!./01* 9^!./0
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9.!./0A0 ^9.!./0$
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=(a1
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96ZBC!(aF9cZh
$9 9* 9* ^9$o!9
Câu 34:&'S0.g!(a.!./03#0hw78w00S0.g!h997-89c78(7-8;
3#9
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
$9&'
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&'
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&'
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9 9&'
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&'
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^9  &'
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Câu 35:2.!./0ZI!0C.6#069ZS0/#06\,N!9
E.!./01*X!(ZF6f\=\=!,!1*.39

066I('0R6h
$9[3#!WI!K99[3#!WI!K9
9[3#!Wk!9^9[3#!Wk!!6-;;9
Câu 41:R,!0S00Rkhông o!h
$9&',!.!./0@*
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9&',!.!./0&'
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9
Câu 42:f3#!FB,0.!./01
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(.!./0&'
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h
$9d=qU99dF6f\=Ri9
9Z6f\=Ri(=qU9^9Z6f\=,P!eF(=qU9
Câu 43:.!./0&'
-
W
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I!U\3#!I!K3#006,Ph
$9&'*(W*99&'

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Câu 47: (!!f(T[
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2P00=.!./0Z(|;3#h
$92i.0((!0992(!0(i.09
92Ri((!09^92(!0(Ri9
Câu 48:Không T0\H@*+N!0S0h
$9bfR!0B99bfR.!./09
9^l!&'T]
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,i.!./09
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3#!\=,h
$95!9-5!9>!^94!
Câu 53:Y-!N! 1*
)
3#!U1*3#0'FS
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$9 9--+9)) ^9++
Câu 54::,5>+$(a"#&'
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