Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	85	+		=	140
2.	217	+		=	286
3.	199	+		=	275
4.	245	+		=	457
5.	160	+		=	283
6.	111	+		=	203
7.	161	+		=	273
8.	156	+		=	301
9.	230	+		=	453
10.	212	+		=	299

Oefening 2
1.	206	+		=	262
2.	164	+		=	285
3.	106	+		=	189
4.	173	+		=	345
5.	139	+		=	272
6.	196	+		=	320
7.	215	+		=	338
8.	240	+		=	468
9.	197	+		=	370
10.	62	+		=	115

Oefening 3
1.	190	+		=	321
2.	190	+		=	275
3.	175	+		=	329
4.	196	+		=	246
5.	104	+		=	187
6.	177	+		=	259
7.	122	+		=	233
8.	89	+		=	163
9.	167	+		=	288
10.	191	+		=	366

Oefening 4
1.	227	+		=	424
2.	246	+		=	473
3.	86	+		=	148
4.	187	+		=	371
5.	236	+		=	434
6.	240	+		=	346
7.	236	+		=	291
8.	76	+		=	143
9.	247	+		=	352
10.	189	+		=	321

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	85	+	55	=	140
2.	217	+	69	=	286
3.	199	+	76	=	275
4.	245	+	212	=	457
5.	160	+	123	=	283
6.	111	+	92	=	203
7.	161	+	112	=	273
8.	156	+	145	=	301
9.	230	+	223	=	453
10.	212	+	87	=	299

Oefening 2
1.	206	+	56	=	262
2.	164	+	121	=	285
3.	106	+	83	=	189
4.	173	+	172	=	345
5.	139	+	133	=	272
6.	196	+	124	=	320
7.	215	+	123	=	338
8.	240	+	228	=	468
9.	197	+	173	=	370
10.	62	+	53	=	115

Oefening 3
1.	190	+	131	=	321
2.	190	+	85	=	275
3.	175	+	154	=	329
4.	196	+	50	=	246
5.	104	+	83	=	187
6.	177	+	82	=	259
7.	122	+	111	=	233
8.	89	+	74	=	163
9.	167	+	121	=	288
10.	191	+	175	=	366

Oefening 4
1.	227	+	197	=	424
2.	246	+	227	=	473
3.	86	+	62	=	148
4.	187	+	184	=	371
5.	236	+	198	=	434
6.	240	+	106	=	346
7.	236	+	55	=	291
8.	76	+	67	=	143
9.	247	+	105	=	352
10.	189	+	132	=	321