Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	438	+		=	689
2.	956	+		=	1.245
3.	721	+		=	1.277
4.	914	+		=	1.626
5.	935	+		=	1.496
6.	546	+		=	902
7.	489	+		=	703
8.	731	+		=	1.325
9.	971	+		=	1.176
10.	881	+		=	1.122

Oefening 2
1.	706	+		=	1.208
2.	887	+		=	1.616
3.	431	+		=	794
4.	360	+		=	612
5.	666	+		=	1.299
6.	417	+		=	784
7.	781	+		=	1.373
8.	856	+		=	1.209
9.	826	+		=	1.553
10.	944	+		=	1.476

Oefening 3
1.	695	+		=	1.315
2.	947	+		=	1.466
3.	659	+		=	863
4.	762	+		=	993
5.	987	+		=	1.192
6.	515	+		=	859
7.	832	+		=	1.297
8.	924	+		=	1.422
9.	943	+		=	1.783
10.	934	+		=	1.672

Oefening 4
1.	336	+		=	574
2.	667	+		=	1.283
3.	606	+		=	1.134
4.	664	+		=	971
5.	486	+		=	933
6.	658	+		=	928
7.	480	+		=	926
8.	989	+		=	1.931
9.	526	+		=	877
10.	872	+		=	1.400

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	438	+	251	=	689
2.	956	+	289	=	1.245
3.	721	+	556	=	1.277
4.	914	+	712	=	1.626
5.	935	+	561	=	1.496
6.	546	+	356	=	902
7.	489	+	214	=	703
8.	731	+	594	=	1.325
9.	971	+	205	=	1.176
10.	881	+	241	=	1.122

Oefening 2
1.	706	+	502	=	1.208
2.	887	+	729	=	1.616
3.	431	+	363	=	794
4.	360	+	252	=	612
5.	666	+	633	=	1.299
6.	417	+	367	=	784
7.	781	+	592	=	1.373
8.	856	+	353	=	1.209
9.	826	+	727	=	1.553
10.	944	+	532	=	1.476

Oefening 3
1.	695	+	620	=	1.315
2.	947	+	519	=	1.466
3.	659	+	204	=	863
4.	762	+	231	=	993
5.	987	+	205	=	1.192
6.	515	+	344	=	859
7.	832	+	465	=	1.297
8.	924	+	498	=	1.422
9.	943	+	840	=	1.783
10.	934	+	738	=	1.672

Oefening 4
1.	336	+	238	=	574
2.	667	+	616	=	1.283
3.	606	+	528	=	1.134
4.	664	+	307	=	971
5.	486	+	447	=	933
6.	658	+	270	=	928
7.	480	+	446	=	926
8.	989	+	942	=	1.931
9.	526	+	351	=	877
10.	872	+	528	=	1.400