Subtract: a) (-9) – (-9) Answer according to class 6th
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1
Answer:
-9-(-9)
= -9+9( minus into minus is plus)
=9+(-9) { we can write in any order}
=9-9{plus into minus is minus}
= 0
Answered by
0
Answer:
0
0 is answer because minus minus cancel from each other .
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