Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	214	+		=	391
2.	212	+		=	350
3.	180	+		=	271
4.	221	+		=	441
5.	238	+		=	371
6.	143	+		=	259
7.	215	+		=	392
8.	144	+		=	219
9.	196	+		=	318
10.	228	+		=	313

Oefening 2
1.	236	+		=	297
2.	238	+		=	366
3.	163	+		=	227
4.	246	+		=	410
5.	248	+		=	331
6.	96	+		=	191
7.	242	+		=	461
8.	200	+		=	370
9.	221	+		=	353
10.	227	+		=	388

Oefening 3
1.	192	+		=	297
2.	249	+		=	395
3.	193	+		=	255
4.	205	+		=	362
5.	144	+		=	209
6.	200	+		=	396
7.	118	+		=	207
8.	134	+		=	211
9.	115	+		=	196
10.	140	+		=	208

Oefening 4
1.	154	+		=	295
2.	161	+		=	314
3.	191	+		=	321
4.	172	+		=	241
5.	162	+		=	278
6.	131	+		=	218
7.	142	+		=	268
8.	244	+		=	446
9.	218	+		=	336
10.	179	+		=	358

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	214	+	177	=	391
2.	212	+	138	=	350
3.	180	+	91	=	271
4.	221	+	220	=	441
5.	238	+	133	=	371
6.	143	+	116	=	259
7.	215	+	177	=	392
8.	144	+	75	=	219
9.	196	+	122	=	318
10.	228	+	85	=	313

Oefening 2
1.	236	+	61	=	297
2.	238	+	128	=	366
3.	163	+	64	=	227
4.	246	+	164	=	410
5.	248	+	83	=	331
6.	96	+	95	=	191
7.	242	+	219	=	461
8.	200	+	170	=	370
9.	221	+	132	=	353
10.	227	+	161	=	388

Oefening 3
1.	192	+	105	=	297
2.	249	+	146	=	395
3.	193	+	62	=	255
4.	205	+	157	=	362
5.	144	+	65	=	209
6.	200	+	196	=	396
7.	118	+	89	=	207
8.	134	+	77	=	211
9.	115	+	81	=	196
10.	140	+	68	=	208

Oefening 4
1.	154	+	141	=	295
2.	161	+	153	=	314
3.	191	+	130	=	321
4.	172	+	69	=	241
5.	162	+	116	=	278
6.	131	+	87	=	218
7.	142	+	126	=	268
8.	244	+	202	=	446
9.	218	+	118	=	336
10.	179	+	179	=	358