回答:
#7#
説明:
#(3 + 2abs(7 - ( - 2)))/(7 + 2(-2))#
#(3 + 2abs(7 + 2))/(7-4)#
#(3 + 2abs(9))/(7-4)#
#(3+2(9))/3#
#(3+18)/3#
#21/3#
#7#
回答:
7
説明:
値#=(3 + 2abs(x-y))/(x + 2y)# で #x = 7、y = -2#
#=(3 + 2xxabs(7 - ( - 2)))/(7 + 2xx(-2))#
#=(3 + 2xxabs(9))/(7-4)#
#=(3 + 2xx9)/ 3#
#= (3+18)/3 = 21/3 =7#