Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	146	+		=	206
2.	181	+		=	260
3.	190	+		=	288
4.	144	+		=	261
5.	242	+		=	447
6.	227	+		=	429
7.	158	+		=	262
8.	183	+		=	349
9.	226	+		=	292
10.	142	+		=	217

Oefening 2
1.	208	+		=	273
2.	121	+		=	206
3.	139	+		=	226
4.	99	+		=	156
5.	230	+		=	442
6.	168	+		=	233
7.	92	+		=	162
8.	135	+		=	212
9.	230	+		=	285
10.	178	+		=	270

Oefening 3
1.	171	+		=	263
2.	179	+		=	236
3.	229	+		=	326
4.	249	+		=	404
5.	153	+		=	217
6.	228	+		=	310
7.	97	+		=	180
8.	165	+		=	312
9.	246	+		=	413
10.	195	+		=	276

Oefening 4
1.	148	+		=	259
2.	108	+		=	158
3.	111	+		=	201
4.	70	+		=	125
5.	178	+		=	266
6.	89	+		=	154
7.	92	+		=	181
8.	157	+		=	215
9.	119	+		=	179
10.	141	+		=	232

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	146	+	60	=	206
2.	181	+	79	=	260
3.	190	+	98	=	288
4.	144	+	117	=	261
5.	242	+	205	=	447
6.	227	+	202	=	429
7.	158	+	104	=	262
8.	183	+	166	=	349
9.	226	+	66	=	292
10.	142	+	75	=	217

Oefening 2
1.	208	+	65	=	273
2.	121	+	85	=	206
3.	139	+	87	=	226
4.	99	+	57	=	156
5.	230	+	212	=	442
6.	168	+	65	=	233
7.	92	+	70	=	162
8.	135	+	77	=	212
9.	230	+	55	=	285
10.	178	+	92	=	270

Oefening 3
1.	171	+	92	=	263
2.	179	+	57	=	236
3.	229	+	97	=	326
4.	249	+	155	=	404
5.	153	+	64	=	217
6.	228	+	82	=	310
7.	97	+	83	=	180
8.	165	+	147	=	312
9.	246	+	167	=	413
10.	195	+	81	=	276

Oefening 4
1.	148	+	111	=	259
2.	108	+	50	=	158
3.	111	+	90	=	201
4.	70	+	55	=	125
5.	178	+	88	=	266
6.	89	+	65	=	154
7.	92	+	89	=	181
8.	157	+	58	=	215
9.	119	+	60	=	179
10.	141	+	91	=	232