Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	222	+		=	418
2.	224	+		=	365
3.	144	+		=	209
4.	181	+		=	321
5.	233	+		=	452
6.	233	+		=	454
7.	194	+		=	378
8.	124	+		=	196
9.	105	+		=	203
10.	213	+		=	404

Oefening 2
1.	248	+		=	303
2.	185	+		=	302
3.	181	+		=	360
4.	218	+		=	372
5.	179	+		=	285
6.	139	+		=	212
7.	134	+		=	187
8.	188	+		=	357
9.	141	+		=	228
10.	239	+		=	435

Oefening 3
1.	156	+		=	297
2.	235	+		=	454
3.	167	+		=	250
4.	111	+		=	174
5.	106	+		=	200
6.	141	+		=	234
7.	232	+		=	443
8.	248	+		=	392
9.	172	+		=	290
10.	203	+		=	311

Oefening 4
1.	234	+		=	336
2.	185	+		=	247
3.	169	+		=	269
4.	106	+		=	208
5.	215	+		=	332
6.	244	+		=	361
7.	210	+		=	404
8.	210	+		=	302
9.	99	+		=	190
10.	154	+		=	216

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	222	+	196	=	418
2.	224	+	141	=	365
3.	144	+	65	=	209
4.	181	+	140	=	321
5.	233	+	219	=	452
6.	233	+	221	=	454
7.	194	+	184	=	378
8.	124	+	72	=	196
9.	105	+	98	=	203
10.	213	+	191	=	404

Oefening 2
1.	248	+	55	=	303
2.	185	+	117	=	302
3.	181	+	179	=	360
4.	218	+	154	=	372
5.	179	+	106	=	285
6.	139	+	73	=	212
7.	134	+	53	=	187
8.	188	+	169	=	357
9.	141	+	87	=	228
10.	239	+	196	=	435

Oefening 3
1.	156	+	141	=	297
2.	235	+	219	=	454
3.	167	+	83	=	250
4.	111	+	63	=	174
5.	106	+	94	=	200
6.	141	+	93	=	234
7.	232	+	211	=	443
8.	248	+	144	=	392
9.	172	+	118	=	290
10.	203	+	108	=	311

Oefening 4
1.	234	+	102	=	336
2.	185	+	62	=	247
3.	169	+	100	=	269
4.	106	+	102	=	208
5.	215	+	117	=	332
6.	244	+	117	=	361
7.	210	+	194	=	404
8.	210	+	92	=	302
9.	99	+	91	=	190
10.	154	+	62	=	216