Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	817	+		=	1.209
2.	742	+		=	1.239
3.	840	+		=	1.552
4.	302	+		=	576
5.	954	+		=	1.763
6.	477	+		=	889
7.	872	+		=	1.496
8.	608	+		=	861
9.	995	+		=	1.932
10.	394	+		=	671

Oefening 2
1.	983	+		=	1.537
2.	925	+		=	1.443
3.	927	+		=	1.513
4.	990	+		=	1.436
5.	975	+		=	1.889
6.	965	+		=	1.323
7.	580	+		=	814
8.	611	+		=	921
9.	643	+		=	886
10.	625	+		=	1.037

Oefening 3
1.	439	+		=	663
2.	920	+		=	1.366
3.	895	+		=	1.565
4.	890	+		=	1.711
5.	492	+		=	964
6.	927	+		=	1.193
7.	889	+		=	1.240
8.	513	+		=	992
9.	748	+		=	1.443
10.	862	+		=	1.305

Oefening 4
1.	558	+		=	759
2.	835	+		=	1.548
3.	517	+		=	854
4.	578	+		=	967
5.	826	+		=	1.440
6.	931	+		=	1.188
7.	641	+		=	846
8.	968	+		=	1.878
9.	893	+		=	1.755
10.	501	+		=	809

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	817	+	392	=	1.209
2.	742	+	497	=	1.239
3.	840	+	712	=	1.552
4.	302	+	274	=	576
5.	954	+	809	=	1.763
6.	477	+	412	=	889
7.	872	+	624	=	1.496
8.	608	+	253	=	861
9.	995	+	937	=	1.932
10.	394	+	277	=	671

Oefening 2
1.	983	+	554	=	1.537
2.	925	+	518	=	1.443
3.	927	+	586	=	1.513
4.	990	+	446	=	1.436
5.	975	+	914	=	1.889
6.	965	+	358	=	1.323
7.	580	+	234	=	814
8.	611	+	310	=	921
9.	643	+	243	=	886
10.	625	+	412	=	1.037

Oefening 3
1.	439	+	224	=	663
2.	920	+	446	=	1.366
3.	895	+	670	=	1.565
4.	890	+	821	=	1.711
5.	492	+	472	=	964
6.	927	+	266	=	1.193
7.	889	+	351	=	1.240
8.	513	+	479	=	992
9.	748	+	695	=	1.443
10.	862	+	443	=	1.305

Oefening 4
1.	558	+	201	=	759
2.	835	+	713	=	1.548
3.	517	+	337	=	854
4.	578	+	389	=	967
5.	826	+	614	=	1.440
6.	931	+	257	=	1.188
7.	641	+	205	=	846
8.	968	+	910	=	1.878
9.	893	+	862	=	1.755
10.	501	+	308	=	809