Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	409	+		=	677
2.	996	+		=	1.381
3.	576	+		=	1.090
4.	790	+		=	1.278
5.	632	+		=	997
6.	953	+		=	1.647
7.	628	+		=	1.047
8.	839	+		=	1.332
9.	820	+		=	1.590
10.	976	+		=	1.447

Oefening 2
1.	443	+		=	837
2.	870	+		=	1.380
3.	890	+		=	1.498
4.	857	+		=	1.223
5.	594	+		=	958
6.	695	+		=	981
7.	668	+		=	1.184
8.	886	+		=	1.509
9.	920	+		=	1.664
10.	612	+		=	1.093

Oefening 3
1.	926	+		=	1.633
2.	691	+		=	893
3.	931	+		=	1.615
4.	982	+		=	1.859
5.	978	+		=	1.664
6.	997	+		=	1.694
7.	521	+		=	733
8.	882	+		=	1.268
9.	926	+		=	1.193
10.	572	+		=	885

Oefening 4
1.	980	+		=	1.615
2.	370	+		=	644
3.	666	+		=	897
4.	380	+		=	667
5.	870	+		=	1.664
6.	770	+		=	1.347
7.	527	+		=	980
8.	868	+		=	1.611
9.	395	+		=	689
10.	307	+		=	562

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	409	+	268	=	677
2.	996	+	385	=	1.381
3.	576	+	514	=	1.090
4.	790	+	488	=	1.278
5.	632	+	365	=	997
6.	953	+	694	=	1.647
7.	628	+	419	=	1.047
8.	839	+	493	=	1.332
9.	820	+	770	=	1.590
10.	976	+	471	=	1.447

Oefening 2
1.	443	+	394	=	837
2.	870	+	510	=	1.380
3.	890	+	608	=	1.498
4.	857	+	366	=	1.223
5.	594	+	364	=	958
6.	695	+	286	=	981
7.	668	+	516	=	1.184
8.	886	+	623	=	1.509
9.	920	+	744	=	1.664
10.	612	+	481	=	1.093

Oefening 3
1.	926	+	707	=	1.633
2.	691	+	202	=	893
3.	931	+	684	=	1.615
4.	982	+	877	=	1.859
5.	978	+	686	=	1.664
6.	997	+	697	=	1.694
7.	521	+	212	=	733
8.	882	+	386	=	1.268
9.	926	+	267	=	1.193
10.	572	+	313	=	885

Oefening 4
1.	980	+	635	=	1.615
2.	370	+	274	=	644
3.	666	+	231	=	897
4.	380	+	287	=	667
5.	870	+	794	=	1.664
6.	770	+	577	=	1.347
7.	527	+	453	=	980
8.	868	+	743	=	1.611
9.	395	+	294	=	689
10.	307	+	255	=	562