Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	180	+		=	243
2.	196	+		=	349
3.	228	+		=	283
4.	229	+		=	385
5.	103	+		=	188
6.	181	+		=	315
7.	179	+		=	306
8.	212	+		=	326
9.	177	+		=	335
10.	115	+		=	198

Oefening 2
1.	141	+		=	256
2.	193	+		=	260
3.	249	+		=	464
4.	143	+		=	242
5.	248	+		=	314
6.	167	+		=	263
7.	197	+		=	306
8.	105	+		=	184
9.	236	+		=	348
10.	233	+		=	351

Oefening 3
1.	213	+		=	335
2.	124	+		=	232
3.	159	+		=	299
4.	210	+		=	386
5.	214	+		=	383
6.	138	+		=	216
7.	128	+		=	251
8.	222	+		=	279
9.	79	+		=	153
10.	166	+		=	287

Oefening 4
1.	126	+		=	208
2.	229	+		=	365
3.	151	+		=	275
4.	234	+		=	375
5.	141	+		=	273
6.	135	+		=	238
7.	184	+		=	257
8.	192	+		=	265
9.	78	+		=	149
10.	117	+		=	171

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	180	+	63	=	243
2.	196	+	153	=	349
3.	228	+	55	=	283
4.	229	+	156	=	385
5.	103	+	85	=	188
6.	181	+	134	=	315
7.	179	+	127	=	306
8.	212	+	114	=	326
9.	177	+	158	=	335
10.	115	+	83	=	198

Oefening 2
1.	141	+	115	=	256
2.	193	+	67	=	260
3.	249	+	215	=	464
4.	143	+	99	=	242
5.	248	+	66	=	314
6.	167	+	96	=	263
7.	197	+	109	=	306
8.	105	+	79	=	184
9.	236	+	112	=	348
10.	233	+	118	=	351

Oefening 3
1.	213	+	122	=	335
2.	124	+	108	=	232
3.	159	+	140	=	299
4.	210	+	176	=	386
5.	214	+	169	=	383
6.	138	+	78	=	216
7.	128	+	123	=	251
8.	222	+	57	=	279
9.	79	+	74	=	153
10.	166	+	121	=	287

Oefening 4
1.	126	+	82	=	208
2.	229	+	136	=	365
3.	151	+	124	=	275
4.	234	+	141	=	375
5.	141	+	132	=	273
6.	135	+	103	=	238
7.	184	+	73	=	257
8.	192	+	73	=	265
9.	78	+	71	=	149
10.	117	+	54	=	171