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a. l'inh mqrt d6 nguyep.tg1iu-c-ar.bon. b. Tinli tdc c10 ttro'rig tirc xay l.o i,'u,rg bia'klri biet ti6t clierr lri0r.r ,1r,,.,g
cila
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cr? ld 2,6 b. Tinh x6c suAt uo clrarn cua rrcr-rtr.on tr.ong llia.
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a. Tinh fi6t di6n hi6u clung vi nrO. b. Thira s6"nh6n.
(1cl)^Plrnn ung phdn h?ch U2r5.vo'i neution
Rb". Tinh rrdng luong phirr hach l U orl
0,0009
2,1100 Bing sd li6tr tl
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3,300
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d. Tinh birn kinh td'i han.
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