Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	489	+		=	666
2.	369	+		=	682
3.	196	+		=	339
4.	445	+		=	571
5.	487	+		=	809
6.	401	+		=	710
7.	410	+		=	781
8.	472	+		=	690
9.	500	+		=	821
10.	437	+		=	717

Oefening 2
1.	432	+		=	741
2.	158	+		=	299
3.	442	+		=	547
4.	428	+		=	624
5.	291	+		=	400
6.	434	+		=	866
7.	465	+		=	622
8.	448	+		=	705
9.	411	+		=	731
10.	472	+		=	834

Oefening 3
1.	161	+		=	319
2.	459	+		=	773
3.	434	+		=	800
4.	414	+		=	696
5.	482	+		=	930
6.	406	+		=	558
7.	447	+		=	803
8.	332	+		=	452
9.	389	+		=	518
10.	334	+		=	635

Oefening 4
1.	479	+		=	726
2.	405	+		=	596
3.	452	+		=	797
4.	408	+		=	763
5.	252	+		=	354
6.	426	+		=	743
7.	474	+		=	586
8.	472	+		=	596
9.	151	+		=	254
10.	273	+		=	486

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	489	+	177	=	666
2.	369	+	313	=	682
3.	196	+	143	=	339
4.	445	+	126	=	571
5.	487	+	322	=	809
6.	401	+	309	=	710
7.	410	+	371	=	781
8.	472	+	218	=	690
9.	500	+	321	=	821
10.	437	+	280	=	717

Oefening 2
1.	432	+	309	=	741
2.	158	+	141	=	299
3.	442	+	105	=	547
4.	428	+	196	=	624
5.	291	+	109	=	400
6.	434	+	432	=	866
7.	465	+	157	=	622
8.	448	+	257	=	705
9.	411	+	320	=	731
10.	472	+	362	=	834

Oefening 3
1.	161	+	158	=	319
2.	459	+	314	=	773
3.	434	+	366	=	800
4.	414	+	282	=	696
5.	482	+	448	=	930
6.	406	+	152	=	558
7.	447	+	356	=	803
8.	332	+	120	=	452
9.	389	+	129	=	518
10.	334	+	301	=	635

Oefening 4
1.	479	+	247	=	726
2.	405	+	191	=	596
3.	452	+	345	=	797
4.	408	+	355	=	763
5.	252	+	102	=	354
6.	426	+	317	=	743
7.	474	+	112	=	586
8.	472	+	124	=	596
9.	151	+	103	=	254
10.	273	+	213	=	486