Overslagsregning 1: Spor II – fasit

SPOR II

Oppgave 1

a) $8,3+9,4\approx18$	b) $21,7+12,2 \approx35$	c) $17,2+17,7 \approx35$
d) $123-78\approx50$	e) $742-121\approx620$	f) $88,9-41,3\approx45$
g) $8,7\cdot9,5 \approx80$	h) $18,8\cdot9,6\approx180$	i) $16,1 \cdot6,2\approx100$
j) $23,9:5,3 \approx4$	k) $143,6:6,8 \approx20$	l) $88:12 \approx8$

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