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Bls. 15<br />
39 ( 40 )<br />
40 ( 41 )<br />
41 ( 42 )<br />
0,51 0,6 0,72<br />
6,0 5,95 5,93<br />
+ 0,1<br />
2 2,5<br />
2,6<br />
3 3,5<br />
3,6<br />
2,6 2,7 3,2 3,6<br />
2,8<br />
3,7<br />
42 ( 43 ) a b<br />
Bættu 0,1 við<br />
Taktu 0,1 af<br />
2,3<br />
2,4<br />
2,3<br />
2,2<br />
3,67<br />
3,77<br />
7,82<br />
7,72<br />
2,9<br />
3,0<br />
7,0<br />
6,9<br />
43 ( 44 ) a b<br />
Bættu 0,11 við<br />
Taktu 0,11 af<br />
2,33<br />
2,44<br />
2,33<br />
2,22<br />
16,79<br />
16,90<br />
3,71<br />
3,60<br />
12,89<br />
13,0<br />
7,0<br />
6,89<br />
44 ( )<br />
45 Reiknaðu.<br />
0,4 + _____ 0,1 = 0,5 0,49 + _____ 0,1 = 0,5 0,39 + _____ 0,11 0,5<br />
45 ( )<br />
46 Reiknaðu.<br />
a 0,45 – 0,23<br />
c 2,17 – 0,07 e 9,17 + 0,13 g 2,85 + 0,20<br />
= 0,22 = 2,1 = 9,3 = 3,05<br />
b 2,95 – 1,73 d 2,17 – 0,27 f 9,17 + 1,13 h 2,85 + 0,85<br />
= 1,22 = 1,9 = 10,3 = 3,7<br />
<strong>Geisli</strong> <strong>1B</strong> – Lausnir – © Námsgagnastofnun 2011 – 09073<br />
..... Ritháttur og brot<br />
14
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