Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	423	+		=	792
2.	293	+		=	463
3.	338	+		=	501
4.	179	+		=	351
5.	463	+		=	563
6.	370	+		=	561
7.	483	+		=	932
8.	386	+		=	752
9.	319	+		=	442
10.	412	+		=	598

Oefening 2
1.	444	+		=	769
2.	375	+		=	734
3.	154	+		=	303
4.	301	+		=	442
5.	231	+		=	377
6.	454	+		=	890
7.	301	+		=	509
8.	269	+		=	508
9.	477	+		=	742
10.	465	+		=	612

Oefening 3
1.	456	+		=	691
2.	328	+		=	522
3.	497	+		=	661
4.	491	+		=	660
5.	475	+		=	696
6.	287	+		=	525
7.	447	+		=	861
8.	359	+		=	665
9.	475	+		=	769
10.	450	+		=	864

Oefening 4
1.	205	+		=	319
2.	435	+		=	536
3.	229	+		=	441
4.	192	+		=	331
5.	456	+		=	828
6.	364	+		=	532
7.	388	+		=	724
8.	170	+		=	305
9.	495	+		=	899
10.	431	+		=	752

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	423	+	369	=	792
2.	293	+	170	=	463
3.	338	+	163	=	501
4.	179	+	172	=	351
5.	463	+	100	=	563
6.	370	+	191	=	561
7.	483	+	449	=	932
8.	386	+	366	=	752
9.	319	+	123	=	442
10.	412	+	186	=	598

Oefening 2
1.	444	+	325	=	769
2.	375	+	359	=	734
3.	154	+	149	=	303
4.	301	+	141	=	442
5.	231	+	146	=	377
6.	454	+	436	=	890
7.	301	+	208	=	509
8.	269	+	239	=	508
9.	477	+	265	=	742
10.	465	+	147	=	612

Oefening 3
1.	456	+	235	=	691
2.	328	+	194	=	522
3.	497	+	164	=	661
4.	491	+	169	=	660
5.	475	+	221	=	696
6.	287	+	238	=	525
7.	447	+	414	=	861
8.	359	+	306	=	665
9.	475	+	294	=	769
10.	450	+	414	=	864

Oefening 4
1.	205	+	114	=	319
2.	435	+	101	=	536
3.	229	+	212	=	441
4.	192	+	139	=	331
5.	456	+	372	=	828
6.	364	+	168	=	532
7.	388	+	336	=	724
8.	170	+	135	=	305
9.	495	+	404	=	899
10.	431	+	321	=	752