Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	549	+		=	841
2.	802	+		=	1.032
3.	642	+		=	1.201
4.	787	+		=	1.191
5.	896	+		=	1.659
6.	330	+		=	570
7.	640	+		=	1.010
8.	961	+		=	1.270
9.	380	+		=	744
10.	731	+		=	1.421

Oefening 2
1.	461	+		=	906
2.	786	+		=	1.204
3.	744	+		=	1.354
4.	891	+		=	1.659
5.	468	+		=	802
6.	975	+		=	1.675
7.	825	+		=	1.340
8.	965	+		=	1.774
9.	401	+		=	678
10.	936	+		=	1.680

Oefening 3
1.	763	+		=	1.027
2.	350	+		=	582
3.	478	+		=	753
4.	478	+		=	909
5.	586	+		=	1.074
6.	996	+		=	1.908
7.	589	+		=	976
8.	655	+		=	1.227
9.	491	+		=	970
10.	949	+		=	1.482

Oefening 4
1.	427	+		=	637
2.	825	+		=	1.038
3.	867	+		=	1.573
4.	962	+		=	1.779
5.	318	+		=	610
6.	480	+		=	927
7.	789	+		=	1.117
8.	937	+		=	1.400
9.	561	+		=	776
10.	950	+		=	1.827

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	549	+	292	=	841
2.	802	+	230	=	1.032
3.	642	+	559	=	1.201
4.	787	+	404	=	1.191
5.	896	+	763	=	1.659
6.	330	+	240	=	570
7.	640	+	370	=	1.010
8.	961	+	309	=	1.270
9.	380	+	364	=	744
10.	731	+	690	=	1.421

Oefening 2
1.	461	+	445	=	906
2.	786	+	418	=	1.204
3.	744	+	610	=	1.354
4.	891	+	768	=	1.659
5.	468	+	334	=	802
6.	975	+	700	=	1.675
7.	825	+	515	=	1.340
8.	965	+	809	=	1.774
9.	401	+	277	=	678
10.	936	+	744	=	1.680

Oefening 3
1.	763	+	264	=	1.027
2.	350	+	232	=	582
3.	478	+	275	=	753
4.	478	+	431	=	909
5.	586	+	488	=	1.074
6.	996	+	912	=	1.908
7.	589	+	387	=	976
8.	655	+	572	=	1.227
9.	491	+	479	=	970
10.	949	+	533	=	1.482

Oefening 4
1.	427	+	210	=	637
2.	825	+	213	=	1.038
3.	867	+	706	=	1.573
4.	962	+	817	=	1.779
5.	318	+	292	=	610
6.	480	+	447	=	927
7.	789	+	328	=	1.117
8.	937	+	463	=	1.400
9.	561	+	215	=	776
10.	950	+	877	=	1.827