de-toan hsg6.doc
TRANSCRIPT
PHNG GD T HUYN DUY TIN CHNH THC KIM TRA CHT LNG HSGNm h!" #$$%$'$M() T*+), -'#$./C0U '" -1234m/T5)h )h6)h"a)A=5 4 5 17 2. . . 212 21 12 21 5 + .b)B=2 2 25 5 55 ...1.6 6.11 101.106 .C0U#" -1234m/T7m 8 93:;"a) 3|9-x|-15.(-2)=45.b)1 1 1 1 1 1 1612 20 30 42 56 72 9x x x x x x + + + + + = .C0U)? P ?@m '' AB hC)?"2 3 4 121 2 3 11... .5 5 5 51616PCmrP= + + + +