Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	345	+		=	585
2.	974	+		=	1.512
3.	598	+		=	1.161
4.	753	+		=	993
5.	576	+		=	1.074
6.	931	+		=	1.609
7.	905	+		=	1.526
8.	787	+		=	1.027
9.	720	+		=	1.333
10.	880	+		=	1.299

Oefening 2
1.	875	+		=	1.484
2.	681	+		=	1.032
3.	656	+		=	1.160
4.	758	+		=	1.424
5.	598	+		=	944
6.	412	+		=	618
7.	618	+		=	859
8.	823	+		=	1.025
9.	882	+		=	1.741
10.	603	+		=	1.167

Oefening 3
1.	859	+		=	1.485
2.	623	+		=	1.108
3.	966	+		=	1.288
4.	633	+		=	1.219
5.	587	+		=	966
6.	823	+		=	1.057
7.	520	+		=	913
8.	522	+		=	723
9.	601	+		=	1.129
10.	646	+		=	1.049

Oefening 4
1.	788	+		=	998
2.	978	+		=	1.326
3.	959	+		=	1.467
4.	911	+		=	1.490
5.	793	+		=	1.510
6.	974	+		=	1.570
7.	490	+		=	691
8.	870	+		=	1.322
9.	861	+		=	1.514
10.	814	+		=	1.140

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	345	+	240	=	585
2.	974	+	538	=	1.512
3.	598	+	563	=	1.161
4.	753	+	240	=	993
5.	576	+	498	=	1.074
6.	931	+	678	=	1.609
7.	905	+	621	=	1.526
8.	787	+	240	=	1.027
9.	720	+	613	=	1.333
10.	880	+	419	=	1.299

Oefening 2
1.	875	+	609	=	1.484
2.	681	+	351	=	1.032
3.	656	+	504	=	1.160
4.	758	+	666	=	1.424
5.	598	+	346	=	944
6.	412	+	206	=	618
7.	618	+	241	=	859
8.	823	+	202	=	1.025
9.	882	+	859	=	1.741
10.	603	+	564	=	1.167

Oefening 3
1.	859	+	626	=	1.485
2.	623	+	485	=	1.108
3.	966	+	322	=	1.288
4.	633	+	586	=	1.219
5.	587	+	379	=	966
6.	823	+	234	=	1.057
7.	520	+	393	=	913
8.	522	+	201	=	723
9.	601	+	528	=	1.129
10.	646	+	403	=	1.049

Oefening 4
1.	788	+	210	=	998
2.	978	+	348	=	1.326
3.	959	+	508	=	1.467
4.	911	+	579	=	1.490
5.	793	+	717	=	1.510
6.	974	+	596	=	1.570
7.	490	+	201	=	691
8.	870	+	452	=	1.322
9.	861	+	653	=	1.514
10.	814	+	326	=	1.140