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1+ 1- 1=?
The answer process is as follows:
(1)1+1There are only addition and subtraction, which belong to the same level of operation, and are calculated from left to right.
(2) Calculate 1+ 1 to get 1+ 1=2.
(3) Calculate 2- 1 again to get 2- 1= 1. From this, we can get:1+1-1=1
Extended data:
Binary operation arithmetic operation binary addition operation rules: 0+0 = 0,0+1= 1+0= 1, 1+ 1= 10.
Binary arithmetic binary addition: 0+0 = 0,0+1= 11=1,1+ 1= 10 (carry to high position. That is 7= 1 1 1,
10= 10 10,3= 1 1;
Binary subtraction: 0-0=0, 0- 1= 1 (borrowing high bits) 1-0= 1,1= 0 (modular binary addition or exclusive-or operation).
Binary multiplication: 0 * 0 = 00 * 1 = 0, 1 * 0 = 0,1*1binary division: 0 ÷ 0 = 0,0 ÷.
Binary OR operation of logical operation: when 1 is satisfied,1is obtained;
Binary AND operation: Encounter 0 and get 0. Binary NOT operation: You take the opposite approach.
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