Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	992	+		=	1.906
2.	987	+		=	1.378
3.	285	+		=	545
4.	724	+		=	1.354
5.	802	+		=	1.114
6.	856	+		=	1.451
7.	685	+		=	1.325
8.	638	+		=	994
9.	419	+		=	619
10.	714	+		=	1.254

Oefening 2
1.	788	+		=	1.399
2.	843	+		=	1.346
3.	605	+		=	1.097
4.	774	+		=	1.532
5.	728	+		=	1.068
6.	771	+		=	1.429
7.	617	+		=	1.063
8.	755	+		=	1.510
9.	570	+		=	888
10.	509	+		=	863

Oefening 3
1.	900	+		=	1.639
2.	716	+		=	1.002
3.	426	+		=	758
4.	578	+		=	1.054
5.	960	+		=	1.251
6.	582	+		=	936
7.	986	+		=	1.517
8.	913	+		=	1.388
9.	436	+		=	660
10.	937	+		=	1.310

Oefening 4
1.	532	+		=	734
2.	923	+		=	1.608
3.	313	+		=	607
4.	456	+		=	770
5.	920	+		=	1.610
6.	561	+		=	954
7.	974	+		=	1.237
8.	985	+		=	1.583
9.	865	+		=	1.661
10.	650	+		=	1.236

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	992	+	914	=	1.906
2.	987	+	391	=	1.378
3.	285	+	260	=	545
4.	724	+	630	=	1.354
5.	802	+	312	=	1.114
6.	856	+	595	=	1.451
7.	685	+	640	=	1.325
8.	638	+	356	=	994
9.	419	+	200	=	619
10.	714	+	540	=	1.254

Oefening 2
1.	788	+	611	=	1.399
2.	843	+	503	=	1.346
3.	605	+	492	=	1.097
4.	774	+	758	=	1.532
5.	728	+	340	=	1.068
6.	771	+	658	=	1.429
7.	617	+	446	=	1.063
8.	755	+	755	=	1.510
9.	570	+	318	=	888
10.	509	+	354	=	863

Oefening 3
1.	900	+	739	=	1.639
2.	716	+	286	=	1.002
3.	426	+	332	=	758
4.	578	+	476	=	1.054
5.	960	+	291	=	1.251
6.	582	+	354	=	936
7.	986	+	531	=	1.517
8.	913	+	475	=	1.388
9.	436	+	224	=	660
10.	937	+	373	=	1.310

Oefening 4
1.	532	+	202	=	734
2.	923	+	685	=	1.608
3.	313	+	294	=	607
4.	456	+	314	=	770
5.	920	+	690	=	1.610
6.	561	+	393	=	954
7.	974	+	263	=	1.237
8.	985	+	598	=	1.583
9.	865	+	796	=	1.661
10.	650	+	586	=	1.236