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25-04-2017
Mathematics
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Аноним
Аноним
25-04-2017
(top)10 x 12 = 120 (top)120 / 2 = 60 (side)13 x 3 = 39 (back)3 x 10 = 30
(sides)39 x 2 = 78 (tops/bottom)60 x 2 = 120
(back)30 + (top/bottom)120 + (sides)78 = 228 [tex] cm^{2} [/tex]
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