Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	389	+		=	681
2.	440	+		=	742
3.	497	+		=	819
4.	322	+		=	471
5.	219	+		=	395
6.	280	+		=	404
7.	324	+		=	631
8.	479	+		=	681
9.	451	+		=	878
10.	429	+		=	640

Oefening 2
1.	336	+		=	662
2.	234	+		=	449
3.	485	+		=	616
4.	477	+		=	639
5.	328	+		=	480
6.	331	+		=	457
7.	359	+		=	688
8.	335	+		=	528
9.	114	+		=	215
10.	436	+		=	837

Oefening 3
1.	430	+		=	795
2.	312	+		=	483
3.	418	+		=	734
4.	433	+		=	548
5.	401	+		=	739
6.	468	+		=	639
7.	372	+		=	581
8.	423	+		=	761
9.	443	+		=	587
10.	205	+		=	406

Oefening 4
1.	434	+		=	640
2.	442	+		=	580
3.	478	+		=	941
4.	376	+		=	725
5.	466	+		=	926
6.	462	+		=	757
7.	456	+		=	907
8.	361	+		=	605
9.	401	+		=	538
10.	435	+		=	611

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	389	+	292	=	681
2.	440	+	302	=	742
3.	497	+	322	=	819
4.	322	+	149	=	471
5.	219	+	176	=	395
6.	280	+	124	=	404
7.	324	+	307	=	631
8.	479	+	202	=	681
9.	451	+	427	=	878
10.	429	+	211	=	640

Oefening 2
1.	336	+	326	=	662
2.	234	+	215	=	449
3.	485	+	131	=	616
4.	477	+	162	=	639
5.	328	+	152	=	480
6.	331	+	126	=	457
7.	359	+	329	=	688
8.	335	+	193	=	528
9.	114	+	101	=	215
10.	436	+	401	=	837

Oefening 3
1.	430	+	365	=	795
2.	312	+	171	=	483
3.	418	+	316	=	734
4.	433	+	115	=	548
5.	401	+	338	=	739
6.	468	+	171	=	639
7.	372	+	209	=	581
8.	423	+	338	=	761
9.	443	+	144	=	587
10.	205	+	201	=	406

Oefening 4
1.	434	+	206	=	640
2.	442	+	138	=	580
3.	478	+	463	=	941
4.	376	+	349	=	725
5.	466	+	460	=	926
6.	462	+	295	=	757
7.	456	+	451	=	907
8.	361	+	244	=	605
9.	401	+	137	=	538
10.	435	+	176	=	611