Overslagsregning 1: Spor I – fasit

SPOR I

Oppgave 1

a) $2,3+10,4\approx12$	b) $23,7+8,2 \approx30$	c) $21,3+42,8 \approx65$
d) $23,6-17,8\approx5$	e) $245-219\approx30$	f) $138,9-43,3\approx90$
g) $1,7\cdot2,5 \approx4$	h) $8,8\cdot3,6\approx27$	i) $2,1 \cdot8,9\approx18$
j) $16,3:4,3 \approx4$	k) $34,6:6,2 \approx5$	l) $89:9 \approx9$

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