Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	642	+		=	944
2.	945	+		=	1.413
3.	539	+		=	825
4.	452	+		=	668
5.	766	+		=	1.176
6.	814	+		=	1.364
7.	827	+		=	1.247
8.	447	+		=	789
9.	983	+		=	1.352
10.	689	+		=	1.189

Oefening 2
1.	599	+		=	988
2.	723	+		=	1.000
3.	930	+		=	1.257
4.	407	+		=	608
5.	350	+		=	642
6.	870	+		=	1.687
7.	709	+		=	1.216
8.	808	+		=	1.429
9.	567	+		=	1.053
10.	377	+		=	718

Oefening 3
1.	793	+		=	1.274
2.	923	+		=	1.835
3.	762	+		=	1.056
4.	438	+		=	668
5.	976	+		=	1.429
6.	566	+		=	1.029
7.	593	+		=	801
8.	623	+		=	957
9.	767	+		=	1.087
10.	757	+		=	1.431

Oefening 4
1.	843	+		=	1.617
2.	902	+		=	1.468
3.	934	+		=	1.322
4.	826	+		=	1.094
5.	802	+		=	1.306
6.	868	+		=	1.582
7.	762	+		=	1.247
8.	636	+		=	1.012
9.	811	+		=	1.243
10.	690	+		=	1.049

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	642	+	302	=	944
2.	945	+	468	=	1.413
3.	539	+	286	=	825
4.	452	+	216	=	668
5.	766	+	410	=	1.176
6.	814	+	550	=	1.364
7.	827	+	420	=	1.247
8.	447	+	342	=	789
9.	983	+	369	=	1.352
10.	689	+	500	=	1.189

Oefening 2
1.	599	+	389	=	988
2.	723	+	277	=	1.000
3.	930	+	327	=	1.257
4.	407	+	201	=	608
5.	350	+	292	=	642
6.	870	+	817	=	1.687
7.	709	+	507	=	1.216
8.	808	+	621	=	1.429
9.	567	+	486	=	1.053
10.	377	+	341	=	718

Oefening 3
1.	793	+	481	=	1.274
2.	923	+	912	=	1.835
3.	762	+	294	=	1.056
4.	438	+	230	=	668
5.	976	+	453	=	1.429
6.	566	+	463	=	1.029
7.	593	+	208	=	801
8.	623	+	334	=	957
9.	767	+	320	=	1.087
10.	757	+	674	=	1.431

Oefening 4
1.	843	+	774	=	1.617
2.	902	+	566	=	1.468
3.	934	+	388	=	1.322
4.	826	+	268	=	1.094
5.	802	+	504	=	1.306
6.	868	+	714	=	1.582
7.	762	+	485	=	1.247
8.	636	+	376	=	1.012
9.	811	+	432	=	1.243
10.	690	+	359	=	1.049