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Byju's Answer
Standard VII
Mathematics
Addition of Integers
-100--172=
Question
-100 - (-172) =
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Solution
-100 - (-172)
= -100+172 ;
(-(-172))=172
=72;
(find differenece of 172 and 100 and put sign of bigger number;here 172 is bigger and is sign its positeve;so it's +72)
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