Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	712	+		=	1.275
2.	706	+		=	1.061
3.	942	+		=	1.204
4.	673	+		=	916
5.	326	+		=	581
6.	752	+		=	1.297
7.	452	+		=	865
8.	785	+		=	1.138
9.	621	+		=	862
10.	739	+		=	1.283

Oefening 2
1.	302	+		=	518
2.	828	+		=	1.220
3.	997	+		=	1.646
4.	878	+		=	1.118
5.	847	+		=	1.686
6.	827	+		=	1.098
7.	763	+		=	1.180
8.	969	+		=	1.444
9.	886	+		=	1.282
10.	847	+		=	1.255

Oefening 3
1.	846	+		=	1.348
2.	814	+		=	1.032
3.	868	+		=	1.230
4.	990	+		=	1.810
5.	683	+		=	1.159
6.	919	+		=	1.609
7.	764	+		=	1.436
8.	586	+		=	1.089
9.	986	+		=	1.643
10.	647	+		=	1.095

Oefening 4
1.	855	+		=	1.173
2.	908	+		=	1.423
3.	890	+		=	1.194
4.	372	+		=	642
5.	926	+		=	1.828
6.	346	+		=	615
7.	378	+		=	661
8.	563	+		=	958
9.	576	+		=	1.062
10.	977	+		=	1.371

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	712	+	563	=	1.275
2.	706	+	355	=	1.061
3.	942	+	262	=	1.204
4.	673	+	243	=	916
5.	326	+	255	=	581
6.	752	+	545	=	1.297
7.	452	+	413	=	865
8.	785	+	353	=	1.138
9.	621	+	241	=	862
10.	739	+	544	=	1.283

Oefening 2
1.	302	+	216	=	518
2.	828	+	392	=	1.220
3.	997	+	649	=	1.646
4.	878	+	240	=	1.118
5.	847	+	839	=	1.686
6.	827	+	271	=	1.098
7.	763	+	417	=	1.180
8.	969	+	475	=	1.444
9.	886	+	396	=	1.282
10.	847	+	408	=	1.255

Oefening 3
1.	846	+	502	=	1.348
2.	814	+	218	=	1.032
3.	868	+	362	=	1.230
4.	990	+	820	=	1.810
5.	683	+	476	=	1.159
6.	919	+	690	=	1.609
7.	764	+	672	=	1.436
8.	586	+	503	=	1.089
9.	986	+	657	=	1.643
10.	647	+	448	=	1.095

Oefening 4
1.	855	+	318	=	1.173
2.	908	+	515	=	1.423
3.	890	+	304	=	1.194
4.	372	+	270	=	642
5.	926	+	902	=	1.828
6.	346	+	269	=	615
7.	378	+	283	=	661
8.	563	+	395	=	958
9.	576	+	486	=	1.062
10.	977	+	394	=	1.371