Welk getal ontbreekt t/m 500?

Optellen

Oefening 1
1.	250	+		=	479
2.	142	+		=	241
3.	139	+		=	271
4.	247	+		=	364
5.	236	+		=	429
6.	217	+		=	397
7.	70	+		=	130
8.	207	+		=	380
9.	196	+		=	275
10.	100	+		=	180

Oefening 2
1.	136	+		=	209
2.	124	+		=	244
3.	160	+		=	278
4.	211	+		=	339
5.	156	+		=	293
6.	156	+		=	293
7.	210	+		=	337
8.	171	+		=	256
9.	216	+		=	308
10.	120	+		=	218

Oefening 3
1.	231	+		=	400
2.	164	+		=	220
3.	227	+		=	305
4.	181	+		=	337
5.	64	+		=	115
6.	75	+		=	145
7.	171	+		=	308
8.	173	+		=	223
9.	168	+		=	256
10.	188	+		=	318

Oefening 4
1.	91	+		=	179
2.	172	+		=	296
3.	155	+		=	278
4.	246	+		=	477
5.	140	+		=	268
6.	175	+		=	262
7.	226	+		=	316
8.	247	+		=	340
9.	171	+		=	337
10.	90	+		=	153

Welk getal ontbreekt t/m 500?
| ANTWOORDEN

Optellen

Oefening 1
1.	250	+	229	=	479
2.	142	+	99	=	241
3.	139	+	132	=	271
4.	247	+	117	=	364
5.	236	+	193	=	429
6.	217	+	180	=	397
7.	70	+	60	=	130
8.	207	+	173	=	380
9.	196	+	79	=	275
10.	100	+	80	=	180

Oefening 2
1.	136	+	73	=	209
2.	124	+	120	=	244
3.	160	+	118	=	278
4.	211	+	128	=	339
5.	156	+	137	=	293
6.	156	+	137	=	293
7.	210	+	127	=	337
8.	171	+	85	=	256
9.	216	+	92	=	308
10.	120	+	98	=	218

Oefening 3
1.	231	+	169	=	400
2.	164	+	56	=	220
3.	227	+	78	=	305
4.	181	+	156	=	337
5.	64	+	51	=	115
6.	75	+	70	=	145
7.	171	+	137	=	308
8.	173	+	50	=	223
9.	168	+	88	=	256
10.	188	+	130	=	318

Oefening 4
1.	91	+	88	=	179
2.	172	+	124	=	296
3.	155	+	123	=	278
4.	246	+	231	=	477
5.	140	+	128	=	268
6.	175	+	87	=	262
7.	226	+	90	=	316
8.	247	+	93	=	340
9.	171	+	166	=	337
10.	90	+	63	=	153