Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	235	+		=	404
2.	245	+		=	330
3.	104	+		=	194
4.	160	+		=	262
5.	142	+		=	246
6.	227	+		=	419
7.	142	+		=	198
8.	121	+		=	193
9.	174	+		=	318
10.	244	+		=	314

Oefening 2
1.	118	+		=	188
2.	210	+		=	374
3.	208	+		=	330
4.	221	+		=	293
5.	183	+		=	303
6.	205	+		=	256
7.	243	+		=	435
8.	60	+		=	111
9.	233	+		=	336
10.	182	+		=	319

Oefening 3
1.	179	+		=	244
2.	234	+		=	463
3.	227	+		=	445
4.	174	+		=	292
5.	207	+		=	412
6.	145	+		=	272
7.	196	+		=	248
8.	166	+		=	278
9.	220	+		=	315
10.	239	+		=	346

Oefening 4
1.	122	+		=	213
2.	126	+		=	224
3.	200	+		=	287
4.	192	+		=	348
5.	210	+		=	341
6.	185	+		=	345
7.	206	+		=	382
8.	111	+		=	161
9.	186	+		=	328
10.	79	+		=	143

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	235	+	169	=	404
2.	245	+	85	=	330
3.	104	+	90	=	194
4.	160	+	102	=	262
5.	142	+	104	=	246
6.	227	+	192	=	419
7.	142	+	56	=	198
8.	121	+	72	=	193
9.	174	+	144	=	318
10.	244	+	70	=	314

Oefening 2
1.	118	+	70	=	188
2.	210	+	164	=	374
3.	208	+	122	=	330
4.	221	+	72	=	293
5.	183	+	120	=	303
6.	205	+	51	=	256
7.	243	+	192	=	435
8.	60	+	51	=	111
9.	233	+	103	=	336
10.	182	+	137	=	319

Oefening 3
1.	179	+	65	=	244
2.	234	+	229	=	463
3.	227	+	218	=	445
4.	174	+	118	=	292
5.	207	+	205	=	412
6.	145	+	127	=	272
7.	196	+	52	=	248
8.	166	+	112	=	278
9.	220	+	95	=	315
10.	239	+	107	=	346

Oefening 4
1.	122	+	91	=	213
2.	126	+	98	=	224
3.	200	+	87	=	287
4.	192	+	156	=	348
5.	210	+	131	=	341
6.	185	+	160	=	345
7.	206	+	176	=	382
8.	111	+	50	=	161
9.	186	+	142	=	328
10.	79	+	64	=	143