Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	222	+		=	285
2.	214	+		=	400
3.	207	+		=	398
4.	160	+		=	233
5.	227	+		=	359
6.	127	+		=	242
7.	245	+		=	372
8.	162	+		=	213
9.	207	+		=	370
10.	128	+		=	247

Oefening 2
1.	222	+		=	381
2.	137	+		=	190
3.	157	+		=	302
4.	232	+		=	362
5.	129	+		=	207
6.	213	+		=	388
7.	189	+		=	294
8.	199	+		=	348
9.	209	+		=	409
10.	220	+		=	340

Oefening 3
1.	171	+		=	242
2.	151	+		=	288
3.	206	+		=	338
4.	244	+		=	440
5.	68	+		=	120
6.	213	+		=	417
7.	168	+		=	302
8.	160	+		=	243
9.	250	+		=	317
10.	244	+		=	322

Oefening 4
1.	142	+		=	235
2.	193	+		=	346
3.	241	+		=	386
4.	241	+		=	333
5.	211	+		=	336
6.	163	+		=	214
7.	225	+		=	423
8.	240	+		=	315
9.	176	+		=	230
10.	179	+		=	357

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	222	+	63	=	285
2.	214	+	186	=	400
3.	207	+	191	=	398
4.	160	+	73	=	233
5.	227	+	132	=	359
6.	127	+	115	=	242
7.	245	+	127	=	372
8.	162	+	51	=	213
9.	207	+	163	=	370
10.	128	+	119	=	247

Oefening 2
1.	222	+	159	=	381
2.	137	+	53	=	190
3.	157	+	145	=	302
4.	232	+	130	=	362
5.	129	+	78	=	207
6.	213	+	175	=	388
7.	189	+	105	=	294
8.	199	+	149	=	348
9.	209	+	200	=	409
10.	220	+	120	=	340

Oefening 3
1.	171	+	71	=	242
2.	151	+	137	=	288
3.	206	+	132	=	338
4.	244	+	196	=	440
5.	68	+	52	=	120
6.	213	+	204	=	417
7.	168	+	134	=	302
8.	160	+	83	=	243
9.	250	+	67	=	317
10.	244	+	78	=	322

Oefening 4
1.	142	+	93	=	235
2.	193	+	153	=	346
3.	241	+	145	=	386
4.	241	+	92	=	333
5.	211	+	125	=	336
6.	163	+	51	=	214
7.	225	+	198	=	423
8.	240	+	75	=	315
9.	176	+	54	=	230
10.	179	+	178	=	357