Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	649	+		=	868
2.	916	+		=	1.395
3.	988	+		=	1.475
4.	267	+		=	517
5.	891	+		=	1.353
6.	480	+		=	711
7.	913	+		=	1.323
8.	611	+		=	1.220
9.	816	+		=	1.020
10.	437	+		=	731

Oefening 2
1.	972	+		=	1.741
2.	673	+		=	1.243
3.	595	+		=	1.107
4.	401	+		=	764
5.	760	+		=	1.273
6.	737	+		=	1.192
7.	854	+		=	1.265
8.	628	+		=	1.151
9.	834	+		=	1.333
10.	946	+		=	1.159

Oefening 3
1.	865	+		=	1.208
2.	833	+		=	1.656
3.	633	+		=	1.015
4.	492	+		=	821
5.	995	+		=	1.455
6.	946	+		=	1.729
7.	572	+		=	844
8.	875	+		=	1.595
9.	875	+		=	1.410
10.	573	+		=	1.085

Oefening 4
1.	976	+		=	1.356
2.	636	+		=	1.109
3.	278	+		=	479
4.	886	+		=	1.674
5.	614	+		=	823
6.	968	+		=	1.800
7.	881	+		=	1.132
8.	938	+		=	1.693
9.	672	+		=	1.203
10.	309	+		=	613

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	649	+	219	=	868
2.	916	+	479	=	1.395
3.	988	+	487	=	1.475
4.	267	+	250	=	517
5.	891	+	462	=	1.353
6.	480	+	231	=	711
7.	913	+	410	=	1.323
8.	611	+	609	=	1.220
9.	816	+	204	=	1.020
10.	437	+	294	=	731

Oefening 2
1.	972	+	769	=	1.741
2.	673	+	570	=	1.243
3.	595	+	512	=	1.107
4.	401	+	363	=	764
5.	760	+	513	=	1.273
6.	737	+	455	=	1.192
7.	854	+	411	=	1.265
8.	628	+	523	=	1.151
9.	834	+	499	=	1.333
10.	946	+	213	=	1.159

Oefening 3
1.	865	+	343	=	1.208
2.	833	+	823	=	1.656
3.	633	+	382	=	1.015
4.	492	+	329	=	821
5.	995	+	460	=	1.455
6.	946	+	783	=	1.729
7.	572	+	272	=	844
8.	875	+	720	=	1.595
9.	875	+	535	=	1.410
10.	573	+	512	=	1.085

Oefening 4
1.	976	+	380	=	1.356
2.	636	+	473	=	1.109
3.	278	+	201	=	479
4.	886	+	788	=	1.674
5.	614	+	209	=	823
6.	968	+	832	=	1.800
7.	881	+	251	=	1.132
8.	938	+	755	=	1.693
9.	672	+	531	=	1.203
10.	309	+	304	=	613