Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	669	+		=	973
2.	947	+		=	1.543
3.	251	+		=	494
4.	356	+		=	705
5.	534	+		=	877
6.	613	+		=	1.108
7.	646	+		=	856
8.	485	+		=	756
9.	466	+		=	743
10.	838	+		=	1.566

Oefening 2
1.	755	+		=	1.094
2.	874	+		=	1.547
3.	963	+		=	1.553
4.	754	+		=	1.404
5.	871	+		=	1.598
6.	551	+		=	851
7.	789	+		=	1.497
8.	959	+		=	1.528
9.	836	+		=	1.289
10.	707	+		=	1.402

Oefening 3
1.	852	+		=	1.165
2.	560	+		=	1.075
3.	888	+		=	1.725
4.	872	+		=	1.669
5.	643	+		=	926
6.	583	+		=	898
7.	547	+		=	1.036
8.	475	+		=	688
9.	451	+		=	787
10.	845	+		=	1.338

Oefening 4
1.	949	+		=	1.183
2.	987	+		=	1.608
3.	712	+		=	1.047
4.	730	+		=	1.356
5.	421	+		=	769
6.	968	+		=	1.844
7.	381	+		=	592
8.	953	+		=	1.328
9.	846	+		=	1.476
10.	741	+		=	1.037

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	669	+	304	=	973
2.	947	+	596	=	1.543
3.	251	+	243	=	494
4.	356	+	349	=	705
5.	534	+	343	=	877
6.	613	+	495	=	1.108
7.	646	+	210	=	856
8.	485	+	271	=	756
9.	466	+	277	=	743
10.	838	+	728	=	1.566

Oefening 2
1.	755	+	339	=	1.094
2.	874	+	673	=	1.547
3.	963	+	590	=	1.553
4.	754	+	650	=	1.404
5.	871	+	727	=	1.598
6.	551	+	300	=	851
7.	789	+	708	=	1.497
8.	959	+	569	=	1.528
9.	836	+	453	=	1.289
10.	707	+	695	=	1.402

Oefening 3
1.	852	+	313	=	1.165
2.	560	+	515	=	1.075
3.	888	+	837	=	1.725
4.	872	+	797	=	1.669
5.	643	+	283	=	926
6.	583	+	315	=	898
7.	547	+	489	=	1.036
8.	475	+	213	=	688
9.	451	+	336	=	787
10.	845	+	493	=	1.338

Oefening 4
1.	949	+	234	=	1.183
2.	987	+	621	=	1.608
3.	712	+	335	=	1.047
4.	730	+	626	=	1.356
5.	421	+	348	=	769
6.	968	+	876	=	1.844
7.	381	+	211	=	592
8.	953	+	375	=	1.328
9.	846	+	630	=	1.476
10.	741	+	296	=	1.037