Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	228	+		=	375
2.	153	+		=	274
3.	231	+		=	321
4.	86	+		=	141
5.	231	+		=	301
6.	118	+		=	183
7.	196	+		=	276
8.	214	+		=	390
9.	152	+		=	207
10.	132	+		=	248

Oefening 2
1.	103	+		=	155
2.	115	+		=	171
3.	192	+		=	282
4.	227	+		=	322
5.	177	+		=	266
6.	225	+		=	332
7.	70	+		=	140
8.	219	+		=	371
9.	134	+		=	189
10.	214	+		=	406

Oefening 3
1.	182	+		=	306
2.	78	+		=	139
3.	206	+		=	408
4.	102	+		=	180
5.	223	+		=	290
6.	208	+		=	307
7.	135	+		=	213
8.	97	+		=	156
9.	193	+		=	265
10.	219	+		=	397

Oefening 4
1.	160	+		=	233
2.	246	+		=	396
3.	179	+		=	337
4.	165	+		=	224
5.	129	+		=	194
6.	133	+		=	235
7.	174	+		=	288
8.	151	+		=	293
9.	223	+		=	388
10.	170	+		=	261

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	228	+	147	=	375
2.	153	+	121	=	274
3.	231	+	90	=	321
4.	86	+	55	=	141
5.	231	+	70	=	301
6.	118	+	65	=	183
7.	196	+	80	=	276
8.	214	+	176	=	390
9.	152	+	55	=	207
10.	132	+	116	=	248

Oefening 2
1.	103	+	52	=	155
2.	115	+	56	=	171
3.	192	+	90	=	282
4.	227	+	95	=	322
5.	177	+	89	=	266
6.	225	+	107	=	332
7.	70	+	70	=	140
8.	219	+	152	=	371
9.	134	+	55	=	189
10.	214	+	192	=	406

Oefening 3
1.	182	+	124	=	306
2.	78	+	61	=	139
3.	206	+	202	=	408
4.	102	+	78	=	180
5.	223	+	67	=	290
6.	208	+	99	=	307
7.	135	+	78	=	213
8.	97	+	59	=	156
9.	193	+	72	=	265
10.	219	+	178	=	397

Oefening 4
1.	160	+	73	=	233
2.	246	+	150	=	396
3.	179	+	158	=	337
4.	165	+	59	=	224
5.	129	+	65	=	194
6.	133	+	102	=	235
7.	174	+	114	=	288
8.	151	+	142	=	293
9.	223	+	165	=	388
10.	170	+	91	=	261