Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	356	+		=	519
2.	218	+		=	359
3.	336	+		=	614
4.	362	+		=	609
5.	353	+		=	521
6.	220	+		=	370
7.	454	+		=	566
8.	440	+		=	761
9.	391	+		=	609
10.	469	+		=	925

Oefening 2
1.	396	+		=	677
2.	390	+		=	533
3.	347	+		=	676
4.	449	+		=	781
5.	440	+		=	547
6.	454	+		=	556
7.	296	+		=	579
8.	139	+		=	267
9.	241	+		=	471
10.	491	+		=	692

Oefening 3
1.	449	+		=	625
2.	414	+		=	568
3.	323	+		=	612
4.	295	+		=	443
5.	305	+		=	608
6.	466	+		=	587
7.	404	+		=	705
8.	479	+		=	588
9.	439	+		=	774
10.	311	+		=	495

Oefening 4
1.	315	+		=	530
2.	233	+		=	459
3.	425	+		=	615
4.	455	+		=	881
5.	260	+		=	491
6.	412	+		=	684
7.	391	+		=	694
8.	383	+		=	521
9.	422	+		=	834
10.	365	+		=	517

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	356	+	163	=	519
2.	218	+	141	=	359
3.	336	+	278	=	614
4.	362	+	247	=	609
5.	353	+	168	=	521
6.	220	+	150	=	370
7.	454	+	112	=	566
8.	440	+	321	=	761
9.	391	+	218	=	609
10.	469	+	456	=	925

Oefening 2
1.	396	+	281	=	677
2.	390	+	143	=	533
3.	347	+	329	=	676
4.	449	+	332	=	781
5.	440	+	107	=	547
6.	454	+	102	=	556
7.	296	+	283	=	579
8.	139	+	128	=	267
9.	241	+	230	=	471
10.	491	+	201	=	692

Oefening 3
1.	449	+	176	=	625
2.	414	+	154	=	568
3.	323	+	289	=	612
4.	295	+	148	=	443
5.	305	+	303	=	608
6.	466	+	121	=	587
7.	404	+	301	=	705
8.	479	+	109	=	588
9.	439	+	335	=	774
10.	311	+	184	=	495

Oefening 4
1.	315	+	215	=	530
2.	233	+	226	=	459
3.	425	+	190	=	615
4.	455	+	426	=	881
5.	260	+	231	=	491
6.	412	+	272	=	684
7.	391	+	303	=	694
8.	383	+	138	=	521
9.	422	+	412	=	834
10.	365	+	152	=	517