Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	507	+		=	729
2.	557	+		=	810
3.	434	+		=	832
4.	463	+		=	807
5.	468	+		=	840
6.	902	+		=	1.732
7.	483	+		=	710
8.	745	+		=	1.328
9.	896	+		=	1.763
10.	850	+		=	1.295

Oefening 2
1.	647	+		=	877
2.	995	+		=	1.747
3.	472	+		=	695
4.	790	+		=	1.147
5.	853	+		=	1.566
6.	887	+		=	1.214
7.	321	+		=	596
8.	975	+		=	1.832
9.	853	+		=	1.404
10.	571	+		=	887

Oefening 3
1.	826	+		=	1.399
2.	926	+		=	1.302
3.	969	+		=	1.579
4.	288	+		=	518
5.	996	+		=	1.245
6.	967	+		=	1.374
7.	950	+		=	1.421
8.	829	+		=	1.567
9.	430	+		=	802
10.	963	+		=	1.188

Oefening 4
1.	752	+		=	1.052
2.	794	+		=	1.171
3.	618	+		=	1.153
4.	523	+		=	936
5.	756	+		=	1.039
6.	404	+		=	674
7.	870	+		=	1.734
8.	891	+		=	1.641
9.	418	+		=	666
10.	337	+		=	569

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	507	+	222	=	729
2.	557	+	253	=	810
3.	434	+	398	=	832
4.	463	+	344	=	807
5.	468	+	372	=	840
6.	902	+	830	=	1.732
7.	483	+	227	=	710
8.	745	+	583	=	1.328
9.	896	+	867	=	1.763
10.	850	+	445	=	1.295

Oefening 2
1.	647	+	230	=	877
2.	995	+	752	=	1.747
3.	472	+	223	=	695
4.	790	+	357	=	1.147
5.	853	+	713	=	1.566
6.	887	+	327	=	1.214
7.	321	+	275	=	596
8.	975	+	857	=	1.832
9.	853	+	551	=	1.404
10.	571	+	316	=	887

Oefening 3
1.	826	+	573	=	1.399
2.	926	+	376	=	1.302
3.	969	+	610	=	1.579
4.	288	+	230	=	518
5.	996	+	249	=	1.245
6.	967	+	407	=	1.374
7.	950	+	471	=	1.421
8.	829	+	738	=	1.567
9.	430	+	372	=	802
10.	963	+	225	=	1.188

Oefening 4
1.	752	+	300	=	1.052
2.	794	+	377	=	1.171
3.	618	+	535	=	1.153
4.	523	+	413	=	936
5.	756	+	283	=	1.039
6.	404	+	270	=	674
7.	870	+	864	=	1.734
8.	891	+	750	=	1.641
9.	418	+	248	=	666
10.	337	+	232	=	569