Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	210	+		=	373
2.	97	+		=	164
3.	131	+		=	254
4.	184	+		=	321
5.	157	+		=	279
6.	90	+		=	161
7.	218	+		=	385
8.	195	+		=	385
9.	124	+		=	247
10.	233	+		=	416

Oefening 2
1.	250	+		=	416
2.	209	+		=	417
3.	156	+		=	213
4.	158	+		=	294
5.	249	+		=	380
6.	245	+		=	307
7.	227	+		=	383
8.	155	+		=	248
9.	105	+		=	158
10.	207	+		=	307

Oefening 3
1.	81	+		=	131
2.	229	+		=	428
3.	194	+		=	306
4.	148	+		=	272
5.	93	+		=	167
6.	135	+		=	213
7.	156	+		=	226
8.	245	+		=	466
9.	221	+		=	341
10.	96	+		=	181

Oefening 4
1.	172	+		=	259
2.	229	+		=	384
3.	249	+		=	366
4.	204	+		=	309
5.	195	+		=	360
6.	182	+		=	295
7.	243	+		=	348
8.	117	+		=	222
9.	191	+		=	256
10.	233	+		=	300

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	210	+	163	=	373
2.	97	+	67	=	164
3.	131	+	123	=	254
4.	184	+	137	=	321
5.	157	+	122	=	279
6.	90	+	71	=	161
7.	218	+	167	=	385
8.	195	+	190	=	385
9.	124	+	123	=	247
10.	233	+	183	=	416

Oefening 2
1.	250	+	166	=	416
2.	209	+	208	=	417
3.	156	+	57	=	213
4.	158	+	136	=	294
5.	249	+	131	=	380
6.	245	+	62	=	307
7.	227	+	156	=	383
8.	155	+	93	=	248
9.	105	+	53	=	158
10.	207	+	100	=	307

Oefening 3
1.	81	+	50	=	131
2.	229	+	199	=	428
3.	194	+	112	=	306
4.	148	+	124	=	272
5.	93	+	74	=	167
6.	135	+	78	=	213
7.	156	+	70	=	226
8.	245	+	221	=	466
9.	221	+	120	=	341
10.	96	+	85	=	181

Oefening 4
1.	172	+	87	=	259
2.	229	+	155	=	384
3.	249	+	117	=	366
4.	204	+	105	=	309
5.	195	+	165	=	360
6.	182	+	113	=	295
7.	243	+	105	=	348
8.	117	+	105	=	222
9.	191	+	65	=	256
10.	233	+	67	=	300