Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	828	+		=	1.600
2.	387	+		=	607
3.	346	+		=	549
4.	410	+		=	793
5.	835	+		=	1.573
6.	776	+		=	1.389
7.	604	+		=	897
8.	872	+		=	1.444
9.	607	+		=	1.177
10.	818	+		=	1.057

Oefening 2
1.	656	+		=	1.154
2.	963	+		=	1.836
3.	945	+		=	1.821
4.	739	+		=	1.264
5.	890	+		=	1.284
6.	837	+		=	1.646
7.	594	+		=	924
8.	993	+		=	1.642
9.	989	+		=	1.443
10.	887	+		=	1.456

Oefening 3
1.	620	+		=	1.130
2.	642	+		=	1.159
3.	990	+		=	1.476
4.	974	+		=	1.869
5.	749	+		=	1.186
6.	837	+		=	1.259
7.	443	+		=	818
8.	616	+		=	1.042
9.	848	+		=	1.356
10.	436	+		=	794

Oefening 4
1.	506	+		=	814
2.	580	+		=	1.061
3.	359	+		=	668
4.	716	+		=	1.297
5.	914	+		=	1.200
6.	952	+		=	1.455
7.	876	+		=	1.120
8.	723	+		=	1.197
9.	950	+		=	1.511
10.	803	+		=	1.080

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	828	+	772	=	1.600
2.	387	+	220	=	607
3.	346	+	203	=	549
4.	410	+	383	=	793
5.	835	+	738	=	1.573
6.	776	+	613	=	1.389
7.	604	+	293	=	897
8.	872	+	572	=	1.444
9.	607	+	570	=	1.177
10.	818	+	239	=	1.057

Oefening 2
1.	656	+	498	=	1.154
2.	963	+	873	=	1.836
3.	945	+	876	=	1.821
4.	739	+	525	=	1.264
5.	890	+	394	=	1.284
6.	837	+	809	=	1.646
7.	594	+	330	=	924
8.	993	+	649	=	1.642
9.	989	+	454	=	1.443
10.	887	+	569	=	1.456

Oefening 3
1.	620	+	510	=	1.130
2.	642	+	517	=	1.159
3.	990	+	486	=	1.476
4.	974	+	895	=	1.869
5.	749	+	437	=	1.186
6.	837	+	422	=	1.259
7.	443	+	375	=	818
8.	616	+	426	=	1.042
9.	848	+	508	=	1.356
10.	436	+	358	=	794

Oefening 4
1.	506	+	308	=	814
2.	580	+	481	=	1.061
3.	359	+	309	=	668
4.	716	+	581	=	1.297
5.	914	+	286	=	1.200
6.	952	+	503	=	1.455
7.	876	+	244	=	1.120
8.	723	+	474	=	1.197
9.	950	+	561	=	1.511
10.	803	+	277	=	1.080