Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	432	+		=	743
2.	898	+		=	1.407
3.	1.000	+		=	1.606
4.	371	+		=	733
5.	683	+		=	976
6.	776	+		=	1.122
7.	554	+		=	991
8.	577	+		=	1.073
9.	821	+		=	1.239
10.	661	+		=	1.251

Oefening 2
1.	832	+		=	1.038
2.	405	+		=	657
3.	785	+		=	1.117
4.	694	+		=	1.319
5.	797	+		=	1.128
6.	984	+		=	1.215
7.	654	+		=	873
8.	638	+		=	1.033
9.	485	+		=	952
10.	864	+		=	1.447

Oefening 3
1.	356	+		=	629
2.	920	+		=	1.654
3.	452	+		=	807
4.	747	+		=	1.353
5.	863	+		=	1.238
6.	866	+		=	1.097
7.	543	+		=	778
8.	727	+		=	1.282
9.	673	+		=	912
10.	619	+		=	1.216

Oefening 4
1.	715	+		=	1.144
2.	998	+		=	1.943
3.	985	+		=	1.571
4.	906	+		=	1.389
5.	746	+		=	1.100
6.	815	+		=	1.023
7.	839	+		=	1.526
8.	375	+		=	710
9.	859	+		=	1.104
10.	958	+		=	1.268

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	432	+	311	=	743
2.	898	+	509	=	1.407
3.	1.000	+	606	=	1.606
4.	371	+	362	=	733
5.	683	+	293	=	976
6.	776	+	346	=	1.122
7.	554	+	437	=	991
8.	577	+	496	=	1.073
9.	821	+	418	=	1.239
10.	661	+	590	=	1.251

Oefening 2
1.	832	+	206	=	1.038
2.	405	+	252	=	657
3.	785	+	332	=	1.117
4.	694	+	625	=	1.319
5.	797	+	331	=	1.128
6.	984	+	231	=	1.215
7.	654	+	219	=	873
8.	638	+	395	=	1.033
9.	485	+	467	=	952
10.	864	+	583	=	1.447

Oefening 3
1.	356	+	273	=	629
2.	920	+	734	=	1.654
3.	452	+	355	=	807
4.	747	+	606	=	1.353
5.	863	+	375	=	1.238
6.	866	+	231	=	1.097
7.	543	+	235	=	778
8.	727	+	555	=	1.282
9.	673	+	239	=	912
10.	619	+	597	=	1.216

Oefening 4
1.	715	+	429	=	1.144
2.	998	+	945	=	1.943
3.	985	+	586	=	1.571
4.	906	+	483	=	1.389
5.	746	+	354	=	1.100
6.	815	+	208	=	1.023
7.	839	+	687	=	1.526
8.	375	+	335	=	710
9.	859	+	245	=	1.104
10.	958	+	310	=	1.268