Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	672	+		=	1.295
2.	330	+		=	619
3.	904	+		=	1.698
4.	958	+		=	1.371
5.	689	+		=	1.152
6.	641	+		=	1.141
7.	829	+		=	1.526
8.	987	+		=	1.290
9.	840	+		=	1.341
10.	877	+		=	1.283

Oefening 2
1.	226	+		=	426
2.	987	+		=	1.336
3.	831	+		=	1.095
4.	524	+		=	959
5.	388	+		=	709
6.	839	+		=	1.403
7.	780	+		=	981
8.	801	+		=	1.515
9.	788	+		=	1.478
10.	442	+		=	662

Oefening 3
1.	722	+		=	1.289
2.	738	+		=	1.206
3.	950	+		=	1.540
4.	816	+		=	1.025
5.	901	+		=	1.344
6.	584	+		=	936
7.	893	+		=	1.659
8.	798	+		=	1.427
9.	723	+		=	980
10.	879	+		=	1.643

Oefening 4
1.	781	+		=	1.260
2.	636	+		=	1.082
3.	863	+		=	1.363
4.	933	+		=	1.647
5.	895	+		=	1.747
6.	531	+		=	950
7.	384	+		=	695
8.	722	+		=	1.212
9.	463	+		=	829
10.	482	+		=	786

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	672	+	623	=	1.295
2.	330	+	289	=	619
3.	904	+	794	=	1.698
4.	958	+	413	=	1.371
5.	689	+	463	=	1.152
6.	641	+	500	=	1.141
7.	829	+	697	=	1.526
8.	987	+	303	=	1.290
9.	840	+	501	=	1.341
10.	877	+	406	=	1.283

Oefening 2
1.	226	+	200	=	426
2.	987	+	349	=	1.336
3.	831	+	264	=	1.095
4.	524	+	435	=	959
5.	388	+	321	=	709
6.	839	+	564	=	1.403
7.	780	+	201	=	981
8.	801	+	714	=	1.515
9.	788	+	690	=	1.478
10.	442	+	220	=	662

Oefening 3
1.	722	+	567	=	1.289
2.	738	+	468	=	1.206
3.	950	+	590	=	1.540
4.	816	+	209	=	1.025
5.	901	+	443	=	1.344
6.	584	+	352	=	936
7.	893	+	766	=	1.659
8.	798	+	629	=	1.427
9.	723	+	257	=	980
10.	879	+	764	=	1.643

Oefening 4
1.	781	+	479	=	1.260
2.	636	+	446	=	1.082
3.	863	+	500	=	1.363
4.	933	+	714	=	1.647
5.	895	+	852	=	1.747
6.	531	+	419	=	950
7.	384	+	311	=	695
8.	722	+	490	=	1.212
9.	463	+	366	=	829
10.	482	+	304	=	786