Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	774	+		=	985
2.	549	+		=	842
3.	811	+		=	1.419
4.	533	+		=	966
5.	341	+		=	576
6.	867	+		=	1.583
7.	915	+		=	1.746
8.	569	+		=	877
9.	798	+		=	1.257
10.	846	+		=	1.534

Oefening 2
1.	986	+		=	1.475
2.	985	+		=	1.574
3.	526	+		=	908
4.	934	+		=	1.653
5.	968	+		=	1.284
6.	998	+		=	1.699
7.	481	+		=	689
8.	598	+		=	856
9.	896	+		=	1.518
10.	664	+		=	903

Oefening 3
1.	672	+		=	1.315
2.	985	+		=	1.946
3.	949	+		=	1.659
4.	995	+		=	1.488
5.	933	+		=	1.356
6.	935	+		=	1.554
7.	443	+		=	796
8.	663	+		=	953
9.	981	+		=	1.585
10.	564	+		=	909

Oefening 4
1.	882	+		=	1.701
2.	652	+		=	1.211
3.	986	+		=	1.351
4.	852	+		=	1.440
5.	247	+		=	466
6.	409	+		=	670
7.	981	+		=	1.946
8.	653	+		=	1.026
9.	284	+		=	495
10.	561	+		=	904

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	774	+	211	=	985
2.	549	+	293	=	842
3.	811	+	608	=	1.419
4.	533	+	433	=	966
5.	341	+	235	=	576
6.	867	+	716	=	1.583
7.	915	+	831	=	1.746
8.	569	+	308	=	877
9.	798	+	459	=	1.257
10.	846	+	688	=	1.534

Oefening 2
1.	986	+	489	=	1.475
2.	985	+	589	=	1.574
3.	526	+	382	=	908
4.	934	+	719	=	1.653
5.	968	+	316	=	1.284
6.	998	+	701	=	1.699
7.	481	+	208	=	689
8.	598	+	258	=	856
9.	896	+	622	=	1.518
10.	664	+	239	=	903

Oefening 3
1.	672	+	643	=	1.315
2.	985	+	961	=	1.946
3.	949	+	710	=	1.659
4.	995	+	493	=	1.488
5.	933	+	423	=	1.356
6.	935	+	619	=	1.554
7.	443	+	353	=	796
8.	663	+	290	=	953
9.	981	+	604	=	1.585
10.	564	+	345	=	909

Oefening 4
1.	882	+	819	=	1.701
2.	652	+	559	=	1.211
3.	986	+	365	=	1.351
4.	852	+	588	=	1.440
5.	247	+	219	=	466
6.	409	+	261	=	670
7.	981	+	965	=	1.946
8.	653	+	373	=	1.026
9.	284	+	211	=	495
10.	561	+	343	=	904