Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	520	+		=	865
2.	981	+		=	1.417
3.	563	+		=	1.023
4.	731	+		=	1.049
5.	962	+		=	1.734
6.	584	+		=	813
7.	949	+		=	1.282
8.	960	+		=	1.189
9.	984	+		=	1.815
10.	686	+		=	1.075

Oefening 2
1.	524	+		=	821
2.	475	+		=	820
3.	579	+		=	1.021
4.	330	+		=	533
5.	824	+		=	1.311
6.	949	+		=	1.588
7.	685	+		=	1.288
8.	481	+		=	711
9.	701	+		=	1.078
10.	907	+		=	1.347

Oefening 3
1.	514	+		=	982
2.	884	+		=	1.285
3.	830	+		=	1.405
4.	371	+		=	613
5.	599	+		=	948
6.	681	+		=	1.037
7.	905	+		=	1.481
8.	758	+		=	1.058
9.	927	+		=	1.763
10.	451	+		=	854

Oefening 4
1.	520	+		=	1.032
2.	662	+		=	929
3.	719	+		=	1.257
4.	882	+		=	1.634
5.	920	+		=	1.798
6.	387	+		=	604
7.	911	+		=	1.135
8.	782	+		=	1.307
9.	892	+		=	1.232
10.	768	+		=	972

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	520	+	345	=	865
2.	981	+	436	=	1.417
3.	563	+	460	=	1.023
4.	731	+	318	=	1.049
5.	962	+	772	=	1.734
6.	584	+	229	=	813
7.	949	+	333	=	1.282
8.	960	+	229	=	1.189
9.	984	+	831	=	1.815
10.	686	+	389	=	1.075

Oefening 2
1.	524	+	297	=	821
2.	475	+	345	=	820
3.	579	+	442	=	1.021
4.	330	+	203	=	533
5.	824	+	487	=	1.311
6.	949	+	639	=	1.588
7.	685	+	603	=	1.288
8.	481	+	230	=	711
9.	701	+	377	=	1.078
10.	907	+	440	=	1.347

Oefening 3
1.	514	+	468	=	982
2.	884	+	401	=	1.285
3.	830	+	575	=	1.405
4.	371	+	242	=	613
5.	599	+	349	=	948
6.	681	+	356	=	1.037
7.	905	+	576	=	1.481
8.	758	+	300	=	1.058
9.	927	+	836	=	1.763
10.	451	+	403	=	854

Oefening 4
1.	520	+	512	=	1.032
2.	662	+	267	=	929
3.	719	+	538	=	1.257
4.	882	+	752	=	1.634
5.	920	+	878	=	1.798
6.	387	+	217	=	604
7.	911	+	224	=	1.135
8.	782	+	525	=	1.307
9.	892	+	340	=	1.232
10.	768	+	204	=	972