Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	627	+		=	902
2.	654	+		=	885
3.	484	+		=	794
4.	998	+		=	1.651
5.	733	+		=	1.089
6.	885	+		=	1.469
7.	356	+		=	568
8.	871	+		=	1.445
9.	971	+		=	1.586
10.	714	+		=	1.246

Oefening 2
1.	507	+		=	773
2.	788	+		=	1.518
3.	630	+		=	1.175
4.	698	+		=	947
5.	793	+		=	1.158
6.	629	+		=	969
7.	916	+		=	1.353
8.	700	+		=	909
9.	745	+		=	984
10.	745	+		=	1.081

Oefening 3
1.	734	+		=	1.340
2.	676	+		=	1.249
3.	998	+		=	1.280
4.	620	+		=	1.228
5.	637	+		=	1.143
6.	411	+		=	692
7.	799	+		=	1.066
8.	722	+		=	1.186
9.	893	+		=	1.581
10.	555	+		=	887

Oefening 4
1.	854	+		=	1.279
2.	651	+		=	994
3.	514	+		=	1.004
4.	490	+		=	814
5.	683	+		=	1.239
6.	683	+		=	1.238
7.	962	+		=	1.535
8.	854	+		=	1.400
9.	386	+		=	668
10.	715	+		=	1.130

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	627	+	275	=	902
2.	654	+	231	=	885
3.	484	+	310	=	794
4.	998	+	653	=	1.651
5.	733	+	356	=	1.089
6.	885	+	584	=	1.469
7.	356	+	212	=	568
8.	871	+	574	=	1.445
9.	971	+	615	=	1.586
10.	714	+	532	=	1.246

Oefening 2
1.	507	+	266	=	773
2.	788	+	730	=	1.518
3.	630	+	545	=	1.175
4.	698	+	249	=	947
5.	793	+	365	=	1.158
6.	629	+	340	=	969
7.	916	+	437	=	1.353
8.	700	+	209	=	909
9.	745	+	239	=	984
10.	745	+	336	=	1.081

Oefening 3
1.	734	+	606	=	1.340
2.	676	+	573	=	1.249
3.	998	+	282	=	1.280
4.	620	+	608	=	1.228
5.	637	+	506	=	1.143
6.	411	+	281	=	692
7.	799	+	267	=	1.066
8.	722	+	464	=	1.186
9.	893	+	688	=	1.581
10.	555	+	332	=	887

Oefening 4
1.	854	+	425	=	1.279
2.	651	+	343	=	994
3.	514	+	490	=	1.004
4.	490	+	324	=	814
5.	683	+	556	=	1.239
6.	683	+	555	=	1.238
7.	962	+	573	=	1.535
8.	854	+	546	=	1.400
9.	386	+	282	=	668
10.	715	+	415	=	1.130