find the value of : a) |-5+8-2| b) -|12-3+9|.
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3
a=1,,,b=-18,,,,,,,,,,,
Answered by
4
a
(-5+8-21)
-5-2+8
= 1
b -(12-3+9)
-(12+9-3)
-(21-3)
= -18
(-5+8-21)
-5-2+8
= 1
b -(12-3+9)
-(12+9-3)
-(21-3)
= -18
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