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Each of the following shapes has a value:
$= 7$ | $= 17$ |
Can you discover the values of the other shapes using the information below?
(a) | + + | $= 25$ |
(b) | +++ | $= 51$ |
(c) | ++ + + + | $=136$ |
(d) | + + | $=48$ |
(e) | + ++ ++ + | $=100$ |