Welk getal ontbreekt t/m 500?

Optellen

Oefening 1
1.	220	+		=	409
2.	122	+		=	191
3.	75	+		=	144
4.	142	+		=	278
5.	226	+		=	287
6.	192	+		=	265
7.	136	+		=	238
8.	128	+		=	256
9.	227	+		=	303
10.	152	+		=	274

Oefening 2
1.	221	+		=	278
2.	67	+		=	128
3.	176	+		=	350
4.	249	+		=	468
5.	199	+		=	383
6.	243	+		=	363
7.	229	+		=	403
8.	246	+		=	431
9.	159	+		=	275
10.	173	+		=	268

Oefening 3
1.	178	+		=	275
2.	172	+		=	279
3.	204	+		=	352
4.	188	+		=	338
5.	158	+		=	252
6.	197	+		=	389
7.	210	+		=	386
8.	208	+		=	319
9.	200	+		=	392
10.	163	+		=	261

Oefening 4
1.	217	+		=	373
2.	202	+		=	401
3.	232	+		=	374
4.	155	+		=	278
5.	91	+		=	163
6.	239	+		=	295
7.	68	+		=	127
8.	224	+		=	410
9.	240	+		=	303
10.	158	+		=	279

Welk getal ontbreekt t/m 500?
| ANTWOORDEN

Optellen

Oefening 1
1.	220	+	189	=	409
2.	122	+	69	=	191
3.	75	+	69	=	144
4.	142	+	136	=	278
5.	226	+	61	=	287
6.	192	+	73	=	265
7.	136	+	102	=	238
8.	128	+	128	=	256
9.	227	+	76	=	303
10.	152	+	122	=	274

Oefening 2
1.	221	+	57	=	278
2.	67	+	61	=	128
3.	176	+	174	=	350
4.	249	+	219	=	468
5.	199	+	184	=	383
6.	243	+	120	=	363
7.	229	+	174	=	403
8.	246	+	185	=	431
9.	159	+	116	=	275
10.	173	+	95	=	268

Oefening 3
1.	178	+	97	=	275
2.	172	+	107	=	279
3.	204	+	148	=	352
4.	188	+	150	=	338
5.	158	+	94	=	252
6.	197	+	192	=	389
7.	210	+	176	=	386
8.	208	+	111	=	319
9.	200	+	192	=	392
10.	163	+	98	=	261

Oefening 4
1.	217	+	156	=	373
2.	202	+	199	=	401
3.	232	+	142	=	374
4.	155	+	123	=	278
5.	91	+	72	=	163
6.	239	+	56	=	295
7.	68	+	59	=	127
8.	224	+	186	=	410
9.	240	+	63	=	303
10.	158	+	121	=	279