（a∧2/3乘b∧1/2）乘（—3a∧1/2乘b∧1/3）除以（1/3 a∧1/6乘b∧5/6）=[-3a^(2/3+1/2)b^(1/2+1/3)]/[1/3 a^(1/6)b^(5/6)]=[-3a^(7/6)b^(5/6)]/[1/3a^(1/6)b^(5/6)]=-9a^(7/6-1/6)b^(5/6-5/6)=-9a...