11 lines
158 B
Markdown
11 lines
158 B
Markdown
a = 2 min
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b = 8 min
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a) $\frac{2}{8}\ \frac{0.25 min}{15 sec}$
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= 8 min 15 sek
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b) 8 min * 0.8 + 2 min = 8,4 minuten
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(a+b)/ 8,25 = 1,21111
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(a+b)/ 8,4 = 1,19
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