Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	746	+		=	1.142
2.	615	+		=	928
3.	398	+		=	687
4.	959	+		=	1.549
5.	764	+		=	1.207
6.	995	+		=	1.811
7.	988	+		=	1.717
8.	357	+		=	672
9.	931	+		=	1.853
10.	993	+		=	1.294

Oefening 2
1.	472	+		=	690
2.	576	+		=	1.010
3.	259	+		=	483
4.	462	+		=	924
5.	427	+		=	648
6.	766	+		=	1.324
7.	435	+		=	761
8.	470	+		=	704
9.	769	+		=	1.112
10.	436	+		=	701

Oefening 3
1.	841	+		=	1.167
2.	428	+		=	673
3.	884	+		=	1.318
4.	504	+		=	769
5.	857	+		=	1.650
6.	744	+		=	1.081
7.	438	+		=	770
8.	776	+		=	1.338
9.	854	+		=	1.507
10.	988	+		=	1.860

Oefening 4
1.	813	+		=	1.587
2.	784	+		=	1.314
3.	971	+		=	1.412
4.	755	+		=	1.074
5.	685	+		=	1.087
6.	593	+		=	845
7.	924	+		=	1.832
8.	437	+		=	685
9.	624	+		=	1.053
10.	672	+		=	1.099

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	746	+	396	=	1.142
2.	615	+	313	=	928
3.	398	+	289	=	687
4.	959	+	590	=	1.549
5.	764	+	443	=	1.207
6.	995	+	816	=	1.811
7.	988	+	729	=	1.717
8.	357	+	315	=	672
9.	931	+	922	=	1.853
10.	993	+	301	=	1.294

Oefening 2
1.	472	+	218	=	690
2.	576	+	434	=	1.010
3.	259	+	224	=	483
4.	462	+	462	=	924
5.	427	+	221	=	648
6.	766	+	558	=	1.324
7.	435	+	326	=	761
8.	470	+	234	=	704
9.	769	+	343	=	1.112
10.	436	+	265	=	701

Oefening 3
1.	841	+	326	=	1.167
2.	428	+	245	=	673
3.	884	+	434	=	1.318
4.	504	+	265	=	769
5.	857	+	793	=	1.650
6.	744	+	337	=	1.081
7.	438	+	332	=	770
8.	776	+	562	=	1.338
9.	854	+	653	=	1.507
10.	988	+	872	=	1.860

Oefening 4
1.	813	+	774	=	1.587
2.	784	+	530	=	1.314
3.	971	+	441	=	1.412
4.	755	+	319	=	1.074
5.	685	+	402	=	1.087
6.	593	+	252	=	845
7.	924	+	908	=	1.832
8.	437	+	248	=	685
9.	624	+	429	=	1.053
10.	672	+	427	=	1.099