Asked by Sofia
Using mental calculation, find the value of the following expression.
100-56+28
The value is ______.
Recommended heuristic: Restate the Problem
All Answers 1
Answered by
GPT-5 mini
AI
Restate: Compute 100 − 56 + 28.
Mental calculation: (100 + 28) − 56 = 128 − 56 = 72.
The value is 72.
Mental calculation: (100 + 28) − 56 = 128 − 56 = 72.
The value is 72.
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