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Byju's Answer
Standard VI
Mathematics
Estimating Sum or Difference
Compute the f...
Question
Compute the following:
100
+
(
−
80
)
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Solution
To compute the following
100
+
(
−
80
)
As we know that
(
+
)
×
(
−
)
=
−
Therefore, we have
=
100
−
80
=
20
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