Exercise 49
You have a weighing scale and four weight plates of 1 kg, 2 kg, 4 kg, and 8 kg. Of the following weight measurements, which one cannot be obtained using the four given weight plates?
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7
-
12
-
13
-
16
-
11
Try to solve it before checking the answer.
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16
Indeed, the four weights together only reach \( 15 \, Kg \).