Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	560	+		=	786
2.	916	+		=	1.614
3.	560	+		=	1.042
4.	889	+		=	1.517
5.	645	+		=	1.033
6.	399	+		=	687
7.	595	+		=	1.075
8.	799	+		=	1.198
9.	983	+		=	1.767
10.	989	+		=	1.889

Oefening 2
1.	521	+		=	893
2.	942	+		=	1.153
3.	823	+		=	1.393
4.	871	+		=	1.538
5.	639	+		=	901
6.	804	+		=	1.506
7.	709	+		=	1.306
8.	558	+		=	894
9.	550	+		=	809
10.	512	+		=	728

Oefening 3
1.	816	+		=	1.543
2.	729	+		=	1.231
3.	772	+		=	973
4.	679	+		=	1.149
5.	964	+		=	1.622
6.	730	+		=	1.151
7.	579	+		=	850
8.	488	+		=	884
9.	903	+		=	1.371
10.	996	+		=	1.271

Oefening 4
1.	719	+		=	934
2.	975	+		=	1.448
3.	631	+		=	1.206
4.	857	+		=	1.404
5.	776	+		=	1.235
6.	931	+		=	1.371
7.	935	+		=	1.700
8.	692	+		=	1.279
9.	664	+		=	1.062
10.	785	+		=	1.353

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	560	+	226	=	786
2.	916	+	698	=	1.614
3.	560	+	482	=	1.042
4.	889	+	628	=	1.517
5.	645	+	388	=	1.033
6.	399	+	288	=	687
7.	595	+	480	=	1.075
8.	799	+	399	=	1.198
9.	983	+	784	=	1.767
10.	989	+	900	=	1.889

Oefening 2
1.	521	+	372	=	893
2.	942	+	211	=	1.153
3.	823	+	570	=	1.393
4.	871	+	667	=	1.538
5.	639	+	262	=	901
6.	804	+	702	=	1.506
7.	709	+	597	=	1.306
8.	558	+	336	=	894
9.	550	+	259	=	809
10.	512	+	216	=	728

Oefening 3
1.	816	+	727	=	1.543
2.	729	+	502	=	1.231
3.	772	+	201	=	973
4.	679	+	470	=	1.149
5.	964	+	658	=	1.622
6.	730	+	421	=	1.151
7.	579	+	271	=	850
8.	488	+	396	=	884
9.	903	+	468	=	1.371
10.	996	+	275	=	1.271

Oefening 4
1.	719	+	215	=	934
2.	975	+	473	=	1.448
3.	631	+	575	=	1.206
4.	857	+	547	=	1.404
5.	776	+	459	=	1.235
6.	931	+	440	=	1.371
7.	935	+	765	=	1.700
8.	692	+	587	=	1.279
9.	664	+	398	=	1.062
10.	785	+	568	=	1.353