Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	879	+		=	1.140
2.	877	+		=	1.099
3.	676	+		=	908
4.	950	+		=	1.428
5.	987	+		=	1.778
6.	600	+		=	1.160
7.	654	+		=	1.048
8.	781	+		=	1.279
9.	715	+		=	1.157
10.	571	+		=	1.025

Oefening 2
1.	361	+		=	715
2.	493	+		=	732
3.	705	+		=	1.188
4.	902	+		=	1.235
5.	881	+		=	1.758
6.	613	+		=	1.171
7.	872	+		=	1.107
8.	894	+		=	1.755
9.	969	+		=	1.375
10.	789	+		=	1.177

Oefening 3
1.	739	+		=	1.334
2.	786	+		=	1.082
3.	992	+		=	1.910
4.	914	+		=	1.288
5.	772	+		=	1.460
6.	942	+		=	1.836
7.	709	+		=	1.379
8.	466	+		=	779
9.	655	+		=	1.208
10.	826	+		=	1.352

Oefening 4
1.	362	+		=	641
2.	643	+		=	1.283
3.	872	+		=	1.212
4.	970	+		=	1.281
5.	964	+		=	1.855
6.	995	+		=	1.756
7.	878	+		=	1.384
8.	864	+		=	1.573
9.	753	+		=	1.142
10.	918	+		=	1.434

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	879	+	261	=	1.140
2.	877	+	222	=	1.099
3.	676	+	232	=	908
4.	950	+	478	=	1.428
5.	987	+	791	=	1.778
6.	600	+	560	=	1.160
7.	654	+	394	=	1.048
8.	781	+	498	=	1.279
9.	715	+	442	=	1.157
10.	571	+	454	=	1.025

Oefening 2
1.	361	+	354	=	715
2.	493	+	239	=	732
3.	705	+	483	=	1.188
4.	902	+	333	=	1.235
5.	881	+	877	=	1.758
6.	613	+	558	=	1.171
7.	872	+	235	=	1.107
8.	894	+	861	=	1.755
9.	969	+	406	=	1.375
10.	789	+	388	=	1.177

Oefening 3
1.	739	+	595	=	1.334
2.	786	+	296	=	1.082
3.	992	+	918	=	1.910
4.	914	+	374	=	1.288
5.	772	+	688	=	1.460
6.	942	+	894	=	1.836
7.	709	+	670	=	1.379
8.	466	+	313	=	779
9.	655	+	553	=	1.208
10.	826	+	526	=	1.352

Oefening 4
1.	362	+	279	=	641
2.	643	+	640	=	1.283
3.	872	+	340	=	1.212
4.	970	+	311	=	1.281
5.	964	+	891	=	1.855
6.	995	+	761	=	1.756
7.	878	+	506	=	1.384
8.	864	+	709	=	1.573
9.	753	+	389	=	1.142
10.	918	+	516	=	1.434