Cum simplificați (sqrt (2) * sqrt (2)) + (sqrt (2) * -sqrt (2)) + (0 * 0)?

Răspuns:

#=0#

Explicaţie:

# (Sqrt2 * sqrt2) #+# (Sqrt2 * -sqrt2) #+#(0*0)#

#=## (Sqrt4) #+# (- sqrt4) #+#(0)#

#=##(2)#+#(-2)#+#(0)#

#=# #2# - #2# + #0#

#=##0#