Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	969	+		=	1.279
2.	497	+		=	927
3.	781	+		=	1.501
4.	762	+		=	1.041
5.	939	+		=	1.155
6.	689	+		=	1.155
7.	638	+		=	904
8.	944	+		=	1.878
9.	868	+		=	1.586
10.	831	+		=	1.283

Oefening 2
1.	799	+		=	1.436
2.	715	+		=	941
3.	579	+		=	960
4.	968	+		=	1.427
5.	515	+		=	928
6.	981	+		=	1.381
7.	880	+		=	1.495
8.	712	+		=	1.197
9.	779	+		=	1.353
10.	511	+		=	735

Oefening 3
1.	942	+		=	1.688
2.	883	+		=	1.432
3.	839	+		=	1.426
4.	888	+		=	1.123
5.	995	+		=	1.868
6.	492	+		=	811
7.	821	+		=	1.067
8.	999	+		=	1.839
9.	958	+		=	1.637
10.	946	+		=	1.404

Oefening 4
1.	866	+		=	1.355
2.	792	+		=	1.452
3.	928	+		=	1.279
4.	620	+		=	828
5.	396	+		=	603
6.	505	+		=	752
7.	952	+		=	1.700
8.	932	+		=	1.725
9.	877	+		=	1.120
10.	896	+		=	1.480

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	969	+	310	=	1.279
2.	497	+	430	=	927
3.	781	+	720	=	1.501
4.	762	+	279	=	1.041
5.	939	+	216	=	1.155
6.	689	+	466	=	1.155
7.	638	+	266	=	904
8.	944	+	934	=	1.878
9.	868	+	718	=	1.586
10.	831	+	452	=	1.283

Oefening 2
1.	799	+	637	=	1.436
2.	715	+	226	=	941
3.	579	+	381	=	960
4.	968	+	459	=	1.427
5.	515	+	413	=	928
6.	981	+	400	=	1.381
7.	880	+	615	=	1.495
8.	712	+	485	=	1.197
9.	779	+	574	=	1.353
10.	511	+	224	=	735

Oefening 3
1.	942	+	746	=	1.688
2.	883	+	549	=	1.432
3.	839	+	587	=	1.426
4.	888	+	235	=	1.123
5.	995	+	873	=	1.868
6.	492	+	319	=	811
7.	821	+	246	=	1.067
8.	999	+	840	=	1.839
9.	958	+	679	=	1.637
10.	946	+	458	=	1.404

Oefening 4
1.	866	+	489	=	1.355
2.	792	+	660	=	1.452
3.	928	+	351	=	1.279
4.	620	+	208	=	828
5.	396	+	207	=	603
6.	505	+	247	=	752
7.	952	+	748	=	1.700
8.	932	+	793	=	1.725
9.	877	+	243	=	1.120
10.	896	+	584	=	1.480