[HELP] Hie^?u Bie^'t ve^\ VN

["Phuong Vo Van" <phuongvv@hotmail.com>]

Hello ca'c ba'c,

Co' ma^'y ca^u ho? i sau dda^y nho+\ ca'c ba'c tra? lo+\i giu\m .
Ca'm o+n  ca'c ba'c tru+o+'c.
Ca^u tra? lo+\i cu?a to^i cho ~ ca^u ho? i sau la\:
1) a;
2) a;
3) c;
4) b; Volt
Ta.i to^i kho^ng cha('c tha\nh ra mo+'i ho?i ca'c ba'c-:). Vi' du.
o+? Nha Trang co' nhie^\u no+i va^?n du\ng 120 Volt !~ Sa\i Go\n =
220 Volt.
1)Co'Bao nhie^u national parks ma\ VN du+. ddi.nh/ddang tie^'n ha\nh xa^y 
du+.ng dde^? ba~o ve^. ru+\ng va\ thu' va^.t/hung thu' trong mo^i tru+o+\ng 
hoa\n toa\n thie^n nhie^n:
a) 15         b) 87         c) 380

2) Ba('t dda^\u tu+\ na(m na\o thi\ chie^'c xe lu+?a dda^\u tie^n cha.y tu+\ 
Ha\ No^.i sang thu? ddo^ Trung quo^'c Ba('c kinh ?
a) 1975      b) 1996        c) 1898

3) Co' bao nhie^u mo'n a(n thua^\n tuy' Vie^.t Nam ?
a) 2500      b) 90          c) 500

4) VN du\ng ddie^.n :
a) 120 Volt  b) 220 Volt    c)380 Volt

Me^'n

VVP

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