Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	245	+		=	414
2.	100	+		=	152
3.	244	+		=	377
4.	202	+		=	374
5.	217	+		=	287
6.	164	+		=	315
7.	230	+		=	401
8.	179	+		=	330
9.	110	+		=	190
10.	236	+		=	323

Oefening 2
1.	239	+		=	393
2.	209	+		=	290
3.	216	+		=	305
4.	208	+		=	386
5.	222	+		=	422
6.	222	+		=	388
7.	241	+		=	381
8.	221	+		=	371
9.	216	+		=	416
10.	163	+		=	297

Oefening 3
1.	179	+		=	271
2.	109	+		=	177
3.	219	+		=	311
4.	183	+		=	333
5.	246	+		=	442
6.	232	+		=	338
7.	173	+		=	225
8.	225	+		=	359
9.	143	+		=	270
10.	121	+		=	175

Oefening 4
1.	242	+		=	475
2.	229	+		=	422
3.	110	+		=	187
4.	222	+		=	378
5.	218	+		=	277
6.	78	+		=	131
7.	202	+		=	290
8.	104	+		=	170
9.	210	+		=	348
10.	168	+		=	310

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	245	+	169	=	414
2.	100	+	52	=	152
3.	244	+	133	=	377
4.	202	+	172	=	374
5.	217	+	70	=	287
6.	164	+	151	=	315
7.	230	+	171	=	401
8.	179	+	151	=	330
9.	110	+	80	=	190
10.	236	+	87	=	323

Oefening 2
1.	239	+	154	=	393
2.	209	+	81	=	290
3.	216	+	89	=	305
4.	208	+	178	=	386
5.	222	+	200	=	422
6.	222	+	166	=	388
7.	241	+	140	=	381
8.	221	+	150	=	371
9.	216	+	200	=	416
10.	163	+	134	=	297

Oefening 3
1.	179	+	92	=	271
2.	109	+	68	=	177
3.	219	+	92	=	311
4.	183	+	150	=	333
5.	246	+	196	=	442
6.	232	+	106	=	338
7.	173	+	52	=	225
8.	225	+	134	=	359
9.	143	+	127	=	270
10.	121	+	54	=	175

Oefening 4
1.	242	+	233	=	475
2.	229	+	193	=	422
3.	110	+	77	=	187
4.	222	+	156	=	378
5.	218	+	59	=	277
6.	78	+	53	=	131
7.	202	+	88	=	290
8.	104	+	66	=	170
9.	210	+	138	=	348
10.	168	+	142	=	310