Tallfølger 1: Spor IV – fasit

Tallfølger 1: Spor IV – fasit

SPOR IV

Oppgave 1

a) \quad 2\qquad 9\qquad 28\qquad 65\qquad 126 \qquad \boldsymbol217 \qquad 344 \qquad 513}

b) \quad \frac{1}{12}\qquad\frac{1}{6}\qquad\frac{1}{4}\qquad\frac{1}{3}\qquad\frac{5}{12}\qquad \boldsymbol{\frac{1}{2} \qquad \frac{7}{12} \qquad\frac{2}{3}}

c) \quad-1\qquad \frac{-5}{4}\qquad\frac{-3}{2}\qquad\frac{-7}{4}\qquad-2 \qquad \boldsymbol{\frac{-9}{4} \qquad \frac{-5}{2} \qquad\frac{-11}{4}}

d) \quad \frac{1}{2}\qquad\frac{3}{7}\qquad\frac{5}{12}\qquad\frac{7}{17}\qquad\frac{9}{22} \qquad \boldsymbol{\frac{11}{27} \qquad \frac{13}{32} \qquad\frac{15}{37}}

e) \quad -1\qquad 2\qquad \frac{7}{5}\qquad\frac{10}{8}\qquad\frac{13}{11} \qquad \boldsymbol{\frac{8}{7} \qquad \frac{19}{17} \qquad\frac{11}{10}}

f) \quad \frac{2}{3}\qquad\frac{4}{5}\qquad\frac{6}{7}\qquad\frac{8}{9}\qquad\frac{10}{11} \qquad \boldsymbol{\frac{12}{13} \qquad \frac{14}{15} \qquad\frac{16}{17}}

Oppgave 2

a) \quad1\qquad \frac{1}{2}\qquad \frac{1}{4}\qquad \frac{1}{8}\qquad \frac{1}{16} \qquad \boldsymbol{\frac{1}{32} \qquad \frac{1}{64} \qquad\frac{1}{128}}

b) \quad-3\qquad 6\qquad -12\qquad 24\qquad -48\qquad 96 \qquad \boldsymbol{-192 \qquad 384 \qquad -768}

c) \quad16\qquad 8\qquad 4\qquad 2\qquad 1\qquad \boldsymbol{\frac{1}{2} \qquad \frac{1}{4} \qquad\frac{1}{8}}

d) \quad1\qquad \frac{1}{3}\qquad \frac{1}{9}\qquad \frac{1}{27}\qquad \frac{1}{81} \qquad \boldsymbol{\frac{1}{243} \qquad \frac{1}{729} \qquad\frac{1}{2187}}

e) \quad 1\qquad 3\qquad 6\qquad 10\qquad 15 \qquad \boldsymbol{21 \qquad 28 \qquad 36}

f) \quad1\qquad 5\qquad 12\qquad 22\qquad 35\qquad\boldsymbol{51 \qquad 70\qquad 92}

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