Question

[Lâm Đinh Vân Khang]

A=(6−32​+21​)−(5+35​−23​)−(3−37​+25​)

A=-\dfrac{5}{3}A=−35​

A=-\dfrac{5}{2}A=−25​

A=-\dfrac{3}{2}A=−23​

A=-\dfrac{2}{3}A=−32​