Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	208	+		=	314
2.	144	+		=	243
3.	178	+		=	340
4.	98	+		=	160
5.	205	+		=	281
6.	238	+		=	438
7.	242	+		=	314
8.	181	+		=	280
9.	238	+		=	289
10.	111	+		=	165

Oefening 2
1.	233	+		=	399
2.	206	+		=	365
3.	120	+		=	174
4.	225	+		=	376
5.	130	+		=	253
6.	89	+		=	149
7.	187	+		=	276
8.	126	+		=	189
9.	164	+		=	227
10.	177	+		=	351

Oefening 3
1.	211	+		=	378
2.	178	+		=	332
3.	141	+		=	205
4.	217	+		=	353
5.	167	+		=	249
6.	248	+		=	456
7.	241	+		=	374
8.	196	+		=	370
9.	238	+		=	393
10.	124	+		=	238

Oefening 4
1.	223	+		=	359
2.	218	+		=	281
3.	207	+		=	392
4.	129	+		=	238
5.	238	+		=	336
6.	131	+		=	202
7.	218	+		=	333
8.	220	+		=	386
9.	90	+		=	142
10.	236	+		=	430

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	208	+	106	=	314
2.	144	+	99	=	243
3.	178	+	162	=	340
4.	98	+	62	=	160
5.	205	+	76	=	281
6.	238	+	200	=	438
7.	242	+	72	=	314
8.	181	+	99	=	280
9.	238	+	51	=	289
10.	111	+	54	=	165

Oefening 2
1.	233	+	166	=	399
2.	206	+	159	=	365
3.	120	+	54	=	174
4.	225	+	151	=	376
5.	130	+	123	=	253
6.	89	+	60	=	149
7.	187	+	89	=	276
8.	126	+	63	=	189
9.	164	+	63	=	227
10.	177	+	174	=	351

Oefening 3
1.	211	+	167	=	378
2.	178	+	154	=	332
3.	141	+	64	=	205
4.	217	+	136	=	353
5.	167	+	82	=	249
6.	248	+	208	=	456
7.	241	+	133	=	374
8.	196	+	174	=	370
9.	238	+	155	=	393
10.	124	+	114	=	238

Oefening 4
1.	223	+	136	=	359
2.	218	+	63	=	281
3.	207	+	185	=	392
4.	129	+	109	=	238
5.	238	+	98	=	336
6.	131	+	71	=	202
7.	218	+	115	=	333
8.	220	+	166	=	386
9.	90	+	52	=	142
10.	236	+	194	=	430