1/6÷(2/9+1又1/3)×(8-3又1/3);(0.2+1/3)×4.5÷(7.05+6又9/20)
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1/6÷(2/9+1又1/3)×(8-3又1/3);(0.2+1/3)×4.5÷(7.05+6又9/20)
1/6÷(2/9+1又1/3)×(8-3又1/3);(0.2+1/3)×4.5÷(7.05+6又9/20)
1/6÷(2/9+1又1/3)×(8-3又1/3);(0.2+1/3)×4.5÷(7.05+6又9/20)
1/6÷(2/9+1又1/3)×(8-3又1/3)
=1/6÷(2/9+4/3)×(8-10/3)
=1/6÷(14/9)×(14/3)
=1/6×(9/14)×(14/3)
=1/2
(0.2+1/3)×4.5÷(7.05+6又9/20)
=(0.9+1.5)÷(7.05+6.45)
=2.4÷13.5
=8/45
1/6÷(2/9+1又1/3)×(8-3又1/3)
=(1/6)/(2/9+4/3)*(8-10/3)
=(1/6)/(14/9)*(14/3)
=1/2
(0.2+1/3)×4.5÷(7.05+6又9/20)
=[(1/5+1/3)*9/2]/(141/20+129/20)
=(8/15*9/2)/(27/2)
=8/45
=