s1dfelHomJaci
s1dfelHomJaci s1dfelHomJaci
  • 09-12-2016
  • Mathematics
contestada

use benchmarks to estimate 2.81+3.73

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HomertheGenius
HomertheGenius HomertheGenius
  • 10-12-2016
The benchmarks are:  0,  0.25,  0.50,  0.75  and 1.
   2. 81   →  2.75
+
   3.73    →  3.75
------------
2.75 + 3.75 =  6.50
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