Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	450	+		=	860
2.	164	+		=	321
3.	460	+		=	810
4.	367	+		=	525
5.	460	+		=	913
6.	412	+		=	627
7.	499	+		=	982
8.	346	+		=	640
9.	408	+		=	519
10.	308	+		=	483

Oefening 2
1.	305	+		=	494
2.	222	+		=	407
3.	350	+		=	621
4.	336	+		=	551
5.	410	+		=	786
6.	377	+		=	532
7.	375	+		=	567
8.	479	+		=	778
9.	397	+		=	561
10.	392	+		=	727

Oefening 3
1.	256	+		=	510
2.	484	+		=	589
3.	367	+		=	621
4.	345	+		=	663
5.	456	+		=	860
6.	414	+		=	538
7.	383	+		=	691
8.	377	+		=	585
9.	293	+		=	438
10.	137	+		=	238

Oefening 4
1.	381	+		=	752
2.	299	+		=	565
3.	380	+		=	734
4.	365	+		=	487
5.	420	+		=	551
6.	283	+		=	433
7.	335	+		=	524
8.	396	+		=	520
9.	218	+		=	402
10.	233	+		=	346

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	450	+	410	=	860
2.	164	+	157	=	321
3.	460	+	350	=	810
4.	367	+	158	=	525
5.	460	+	453	=	913
6.	412	+	215	=	627
7.	499	+	483	=	982
8.	346	+	294	=	640
9.	408	+	111	=	519
10.	308	+	175	=	483

Oefening 2
1.	305	+	189	=	494
2.	222	+	185	=	407
3.	350	+	271	=	621
4.	336	+	215	=	551
5.	410	+	376	=	786
6.	377	+	155	=	532
7.	375	+	192	=	567
8.	479	+	299	=	778
9.	397	+	164	=	561
10.	392	+	335	=	727

Oefening 3
1.	256	+	254	=	510
2.	484	+	105	=	589
3.	367	+	254	=	621
4.	345	+	318	=	663
5.	456	+	404	=	860
6.	414	+	124	=	538
7.	383	+	308	=	691
8.	377	+	208	=	585
9.	293	+	145	=	438
10.	137	+	101	=	238

Oefening 4
1.	381	+	371	=	752
2.	299	+	266	=	565
3.	380	+	354	=	734
4.	365	+	122	=	487
5.	420	+	131	=	551
6.	283	+	150	=	433
7.	335	+	189	=	524
8.	396	+	124	=	520
9.	218	+	184	=	402
10.	233	+	113	=	346