Toán Lớp 10: Cho HBH ABCD tâm 0 điền vào …
a) vt AB+ vt AD = …
b) vt AB + vt Cd= …
c) vt AB+ vt OA=…
d) vt OA + vt OC= …
e) vt OA+ vt OB+vt OC+ vt OD = …
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Toán Lớp 10: Cho HBH ABCD tâm 0 điền vào …
a) vt AB+ vt AD = …
b) vt AB + vt Cd= …
c) vt AB+ vt OA=…
d) vt OA + vt OC= …
e) vt OA+ vt OB+vt OC+ vt OD = …
Comments ( 2 )
b) AB+CD= 0
c) AB+OA= BO
d) OA+OC= CA
e) OA+OB+OC+OD= 0