Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	994	+		=	1.914
2.	206	+		=	406
3.	441	+		=	647
4.	573	+		=	813
5.	904	+		=	1.800
6.	594	+		=	1.159
7.	966	+		=	1.262
8.	592	+		=	1.150
9.	609	+		=	1.106
10.	488	+		=	899

Oefening 2
1.	809	+		=	1.366
2.	391	+		=	703
3.	484	+		=	957
4.	755	+		=	1.417
5.	383	+		=	586
6.	634	+		=	966
7.	555	+		=	1.102
8.	648	+		=	986
9.	975	+		=	1.286
10.	929	+		=	1.264

Oefening 3
1.	929	+		=	1.651
2.	837	+		=	1.501
3.	591	+		=	963
4.	866	+		=	1.168
5.	676	+		=	1.194
6.	338	+		=	583
7.	996	+		=	1.739
8.	524	+		=	933
9.	736	+		=	964
10.	838	+		=	1.354

Oefening 4
1.	911	+		=	1.344
2.	848	+		=	1.658
3.	907	+		=	1.236
4.	787	+		=	1.317
5.	489	+		=	763
6.	408	+		=	635
7.	614	+		=	837
8.	822	+		=	1.371
9.	684	+		=	1.272
10.	531	+		=	1.049

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	994	+	920	=	1.914
2.	206	+	200	=	406
3.	441	+	206	=	647
4.	573	+	240	=	813
5.	904	+	896	=	1.800
6.	594	+	565	=	1.159
7.	966	+	296	=	1.262
8.	592	+	558	=	1.150
9.	609	+	497	=	1.106
10.	488	+	411	=	899

Oefening 2
1.	809	+	557	=	1.366
2.	391	+	312	=	703
3.	484	+	473	=	957
4.	755	+	662	=	1.417
5.	383	+	203	=	586
6.	634	+	332	=	966
7.	555	+	547	=	1.102
8.	648	+	338	=	986
9.	975	+	311	=	1.286
10.	929	+	335	=	1.264

Oefening 3
1.	929	+	722	=	1.651
2.	837	+	664	=	1.501
3.	591	+	372	=	963
4.	866	+	302	=	1.168
5.	676	+	518	=	1.194
6.	338	+	245	=	583
7.	996	+	743	=	1.739
8.	524	+	409	=	933
9.	736	+	228	=	964
10.	838	+	516	=	1.354

Oefening 4
1.	911	+	433	=	1.344
2.	848	+	810	=	1.658
3.	907	+	329	=	1.236
4.	787	+	530	=	1.317
5.	489	+	274	=	763
6.	408	+	227	=	635
7.	614	+	223	=	837
8.	822	+	549	=	1.371
9.	684	+	588	=	1.272
10.	531	+	518	=	1.049