Tìm x biết: (x−24)×3=660×85% – Học trắc nghiệm

 (begin{array}{*{20}{l}} {(x – 24) times 3 = 660 times 85{rm{% }}}\ {left( {x – 24} right) times 3 = 660 times 85:100}\ {left( {x – 24} right) times 3 = 561}\ {{mkern 1mu} x – 24{mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} = {mkern 1mu} 561:3}\ {{mkern 1mu} x – 24{mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} = {mkern 1mu} 187}\ {{mkern 1mu} x{mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} = {mkern 1mu} 187 + 24}\ {{mkern 1mu} x{mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} {mkern 1mu} = {mkern 1mu} {mkern 1mu} {mkern 1mu} 211} end{array})