The value of (12)×(12)+(12)(12)+(12)×(34) is 1.
True
False
(12)×(12)+(12)(12)+(12)×(34)
= (14)+(12)(12)×(38)
= (2+48)(4+38)
= (68)(78)
= 67
The value of 12×12+12(12+12)×(34) is ___.
The value of (1)−2 + (12)−2 +(13)−2+ (14)−2 is: