Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	149	+		=	207
2.	159	+		=	252
3.	206	+		=	358
4.	240	+		=	453
5.	132	+		=	211
6.	117	+		=	205
7.	237	+		=	401
8.	125	+		=	189
9.	208	+		=	343
10.	87	+		=	142

Oefening 2
1.	213	+		=	336
2.	228	+		=	431
3.	191	+		=	280
4.	89	+		=	153
5.	163	+		=	213
6.	168	+		=	257
7.	68	+		=	123
8.	116	+		=	218
9.	203	+		=	340
10.	211	+		=	353

Oefening 3
1.	223	+		=	419
2.	246	+		=	470
3.	210	+		=	298
4.	195	+		=	335
5.	118	+		=	228
6.	176	+		=	332
7.	142	+		=	202
8.	205	+		=	324
9.	223	+		=	410
10.	198	+		=	269

Oefening 4
1.	171	+		=	285
2.	152	+		=	303
3.	247	+		=	398
4.	230	+		=	448
5.	227	+		=	346
6.	237	+		=	430
7.	144	+		=	236
8.	96	+		=	162
9.	229	+		=	353
10.	150	+		=	266

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	149	+	58	=	207
2.	159	+	93	=	252
3.	206	+	152	=	358
4.	240	+	213	=	453
5.	132	+	79	=	211
6.	117	+	88	=	205
7.	237	+	164	=	401
8.	125	+	64	=	189
9.	208	+	135	=	343
10.	87	+	55	=	142

Oefening 2
1.	213	+	123	=	336
2.	228	+	203	=	431
3.	191	+	89	=	280
4.	89	+	64	=	153
5.	163	+	50	=	213
6.	168	+	89	=	257
7.	68	+	55	=	123
8.	116	+	102	=	218
9.	203	+	137	=	340
10.	211	+	142	=	353

Oefening 3
1.	223	+	196	=	419
2.	246	+	224	=	470
3.	210	+	88	=	298
4.	195	+	140	=	335
5.	118	+	110	=	228
6.	176	+	156	=	332
7.	142	+	60	=	202
8.	205	+	119	=	324
9.	223	+	187	=	410
10.	198	+	71	=	269

Oefening 4
1.	171	+	114	=	285
2.	152	+	151	=	303
3.	247	+	151	=	398
4.	230	+	218	=	448
5.	227	+	119	=	346
6.	237	+	193	=	430
7.	144	+	92	=	236
8.	96	+	66	=	162
9.	229	+	124	=	353
10.	150	+	116	=	266