Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	161	+		=	297
2.	234	+		=	431
3.	178	+		=	256
4.	227	+		=	351
5.	135	+		=	256
6.	138	+		=	249
7.	215	+		=	393
8.	202	+		=	255
9.	136	+		=	254
10.	170	+		=	235

Oefening 2
1.	222	+		=	426
2.	138	+		=	274
3.	248	+		=	472
4.	234	+		=	329
5.	156	+		=	224
6.	149	+		=	291
7.	78	+		=	132
8.	242	+		=	294
9.	235	+		=	445
10.	246	+		=	426

Oefening 3
1.	232	+		=	371
2.	141	+		=	217
3.	195	+		=	384
4.	250	+		=	314
5.	214	+		=	417
6.	189	+		=	244
7.	107	+		=	188
8.	210	+		=	295
9.	175	+		=	274
10.	233	+		=	386

Oefening 4
1.	163	+		=	258
2.	113	+		=	222
3.	191	+		=	259
4.	227	+		=	283
5.	227	+		=	373
6.	141	+		=	272
7.	188	+		=	348
8.	237	+		=	383
9.	165	+		=	311
10.	163	+		=	217

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	161	+	136	=	297
2.	234	+	197	=	431
3.	178	+	78	=	256
4.	227	+	124	=	351
5.	135	+	121	=	256
6.	138	+	111	=	249
7.	215	+	178	=	393
8.	202	+	53	=	255
9.	136	+	118	=	254
10.	170	+	65	=	235

Oefening 2
1.	222	+	204	=	426
2.	138	+	136	=	274
3.	248	+	224	=	472
4.	234	+	95	=	329
5.	156	+	68	=	224
6.	149	+	142	=	291
7.	78	+	54	=	132
8.	242	+	52	=	294
9.	235	+	210	=	445
10.	246	+	180	=	426

Oefening 3
1.	232	+	139	=	371
2.	141	+	76	=	217
3.	195	+	189	=	384
4.	250	+	64	=	314
5.	214	+	203	=	417
6.	189	+	55	=	244
7.	107	+	81	=	188
8.	210	+	85	=	295
9.	175	+	99	=	274
10.	233	+	153	=	386

Oefening 4
1.	163	+	95	=	258
2.	113	+	109	=	222
3.	191	+	68	=	259
4.	227	+	56	=	283
5.	227	+	146	=	373
6.	141	+	131	=	272
7.	188	+	160	=	348
8.	237	+	146	=	383
9.	165	+	146	=	311
10.	163	+	54	=	217