√18÷√8×√27/2
=√(18÷8x27/2)
=√(9x2x9x3/16)
=√(9²x6/4²)
=9/4*√6
√45÷3√1/5×2/3√2又2/3
=√45×1/3*√5×2/3√(8/3)
=1/3*2/3√(45×5×8/3)
=2/9*√(600)
=2/9*√(10²x6)
=20/9*√6
√18÷√8×√27/2
=√(18÷8x27/2)
=√(9x2x9x3/16)
=√(9²x6/4²)
=9/4*√6
√45÷3√1/5×2/3√2又2/3
=√45×1/3*√5×2/3√(8/3)
=1/3*2/3√(45×5×8/3)
=2/9*√(600)
=2/9*√(10²x6)
=20/9*√6