Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	598	+		=	943
2.	989	+		=	1.808
3.	741	+		=	1.265
4.	838	+		=	1.557
5.	801	+		=	1.464
6.	578	+		=	819
7.	834	+		=	1.085
8.	553	+		=	1.080
9.	976	+		=	1.860
10.	831	+		=	1.138

Oefening 2
1.	631	+		=	1.193
2.	671	+		=	1.059
3.	665	+		=	1.194
4.	855	+		=	1.397
5.	694	+		=	1.091
6.	552	+		=	1.011
7.	922	+		=	1.804
8.	725	+		=	946
9.	480	+		=	781
10.	613	+		=	834

Oefening 3
1.	842	+		=	1.313
2.	387	+		=	722
3.	588	+		=	998
4.	416	+		=	683
5.	960	+		=	1.901
6.	945	+		=	1.267
7.	655	+		=	1.146
8.	822	+		=	1.481
9.	641	+		=	990
10.	957	+		=	1.538

Oefening 4
1.	977	+		=	1.624
2.	983	+		=	1.487
3.	574	+		=	982
4.	603	+		=	893
5.	830	+		=	1.225
6.	836	+		=	1.090
7.	684	+		=	920
8.	640	+		=	967
9.	626	+		=	1.151
10.	905	+		=	1.267

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	598	+	345	=	943
2.	989	+	819	=	1.808
3.	741	+	524	=	1.265
4.	838	+	719	=	1.557
5.	801	+	663	=	1.464
6.	578	+	241	=	819
7.	834	+	251	=	1.085
8.	553	+	527	=	1.080
9.	976	+	884	=	1.860
10.	831	+	307	=	1.138

Oefening 2
1.	631	+	562	=	1.193
2.	671	+	388	=	1.059
3.	665	+	529	=	1.194
4.	855	+	542	=	1.397
5.	694	+	397	=	1.091
6.	552	+	459	=	1.011
7.	922	+	882	=	1.804
8.	725	+	221	=	946
9.	480	+	301	=	781
10.	613	+	221	=	834

Oefening 3
1.	842	+	471	=	1.313
2.	387	+	335	=	722
3.	588	+	410	=	998
4.	416	+	267	=	683
5.	960	+	941	=	1.901
6.	945	+	322	=	1.267
7.	655	+	491	=	1.146
8.	822	+	659	=	1.481
9.	641	+	349	=	990
10.	957	+	581	=	1.538

Oefening 4
1.	977	+	647	=	1.624
2.	983	+	504	=	1.487
3.	574	+	408	=	982
4.	603	+	290	=	893
5.	830	+	395	=	1.225
6.	836	+	254	=	1.090
7.	684	+	236	=	920
8.	640	+	327	=	967
9.	626	+	525	=	1.151
10.	905	+	362	=	1.267