!"#
$%!&!'#
()*
7$(D
$(/
×
7$(*
$.*
+2,-#()3
$()*
$(A*
+2,-#(A3
EF
5
+2,-#03
+2,-#(3
(
(
$()(
$()(
7$(
7$(
240 x 2 + 25
SD5DODTD
OD
OPI2,QRI-#::
240 : 2 + 25
SD(5DOD(TD((
B.145
OPI2,QRI-#::
() 240 x 2
SD5DODTD
C.505
OPI2,QRI-#:
25 + 240 : 2
SD(5DOD(TD((
B.145
!"#
$!7&!'#
()*
($I2,-#
().*
l cc biu thc.
()/ (0/ /
×
/ ()0/ )/1