a. 4567+(1234-4567)-4
=4567+1234-4567-4
=(4567-4567)+(1234-4)
=0+1230
=1230
2001-( 53 -1579 ) - ( - 53 )
=2001-53+1579+53
=(2001+1579)+(53-53)
=3580+0
=3580
35-17 + 2017 - 35 + ( -2017 )
=35-17+2017-35-2017
=(35-35)+(2017-2017)-17
=0+0-17
=-17
a) 4567 + ( 1234 - 4567 ) - 4
= 4567 + 1234 - 4567 - 4
= ( 4567 - 4567 ) + ( 1234 - 4 )
= 0 + 1230
= 1230
b) 2001 - ( 53 - 1579 ) - (-53)
= 2001 - 53 + 1579 + 53
= ( 2001 + 1579 ) - ( 53 - 53 )
= 3580 - 0
= 3580
c) 35 - 17 + 2017 - 35 + (-2017)
= 35 - 17 + 2017 - 35 - 2017
= ( 35 - 35 ) - 17 + ( 2017 - 2017 )
= 0 - 17 + 0
= -17
\(a)4567+1234-4567-4\)
\(=\left(4567-4567\right)+\left(1234-4\right)=0+1230=1230\)
b ) \(2001-\left(53-1579\right)-\left(-53\right)\)
\(=2001-53+1579+53\)
\(=\left(2001+1589\right)+\left(-53+53\right)\)
\(=3580+0=3580\)
c) \(35-17+2017-35+\left(-2017\right)\)
\(=\left(35-35\right)+\left(2017-2017\right)-17\)
\(=-17\)
\(\text{4567+(1234-4567)-4=1230}\)
\(\text{2001-( 53 -1579 ) - ( - 53 ) }=3580\)
\(\text{35-17 + 2017 - 35 + ( -2017 )}=-17\)
