Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	140	+		=	266
2.	177	+		=	289
3.	189	+		=	288
4.	193	+		=	328
5.	231	+		=	423
6.	221	+		=	404
7.	250	+		=	353
8.	236	+		=	365
9.	237	+		=	360
10.	235	+		=	416

Oefening 2
1.	185	+		=	265
2.	233	+		=	303
3.	205	+		=	365
4.	206	+		=	405
5.	178	+		=	314
6.	243	+		=	329
7.	177	+		=	318
8.	177	+		=	318
9.	237	+		=	360
10.	188	+		=	350

Oefening 3
1.	234	+		=	345
2.	172	+		=	327
3.	250	+		=	384
4.	189	+		=	368
5.	130	+		=	258
6.	198	+		=	319
7.	170	+		=	294
8.	239	+		=	298
9.	232	+		=	440
10.	243	+		=	392

Oefening 4
1.	239	+		=	362
2.	231	+		=	443
3.	242	+		=	326
4.	136	+		=	269
5.	120	+		=	178
6.	125	+		=	208
7.	226	+		=	322
8.	119	+		=	177
9.	196	+		=	384
10.	232	+		=	402

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	140	+	126	=	266
2.	177	+	112	=	289
3.	189	+	99	=	288
4.	193	+	135	=	328
5.	231	+	192	=	423
6.	221	+	183	=	404
7.	250	+	103	=	353
8.	236	+	129	=	365
9.	237	+	123	=	360
10.	235	+	181	=	416

Oefening 2
1.	185	+	80	=	265
2.	233	+	70	=	303
3.	205	+	160	=	365
4.	206	+	199	=	405
5.	178	+	136	=	314
6.	243	+	86	=	329
7.	177	+	141	=	318
8.	177	+	141	=	318
9.	237	+	123	=	360
10.	188	+	162	=	350

Oefening 3
1.	234	+	111	=	345
2.	172	+	155	=	327
3.	250	+	134	=	384
4.	189	+	179	=	368
5.	130	+	128	=	258
6.	198	+	121	=	319
7.	170	+	124	=	294
8.	239	+	59	=	298
9.	232	+	208	=	440
10.	243	+	149	=	392

Oefening 4
1.	239	+	123	=	362
2.	231	+	212	=	443
3.	242	+	84	=	326
4.	136	+	133	=	269
5.	120	+	58	=	178
6.	125	+	83	=	208
7.	226	+	96	=	322
8.	119	+	58	=	177
9.	196	+	188	=	384
10.	232	+	170	=	402