Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	496	+		=	693
2.	434	+		=	734
3.	441	+		=	773
4.	276	+		=	445
5.	349	+		=	546
6.	391	+		=	729
7.	365	+		=	534
8.	357	+		=	611
9.	156	+		=	293
10.	410	+		=	677

Oefening 2
1.	323	+		=	443
2.	381	+		=	499
3.	408	+		=	509
4.	488	+		=	931
5.	380	+		=	685
6.	406	+		=	672
7.	351	+		=	465
8.	367	+		=	675
9.	347	+		=	575
10.	473	+		=	672

Oefening 3
1.	419	+		=	675
2.	340	+		=	670
3.	409	+		=	532
4.	441	+		=	696
5.	366	+		=	711
6.	389	+		=	533
7.	490	+		=	905
8.	301	+		=	448
9.	384	+		=	625
10.	321	+		=	545

Oefening 4
1.	283	+		=	416
2.	456	+		=	852
3.	314	+		=	498
4.	273	+		=	508
5.	492	+		=	726
6.	431	+		=	627
7.	470	+		=	644
8.	483	+		=	794
9.	468	+		=	568
10.	314	+		=	414

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	496	+	197	=	693
2.	434	+	300	=	734
3.	441	+	332	=	773
4.	276	+	169	=	445
5.	349	+	197	=	546
6.	391	+	338	=	729
7.	365	+	169	=	534
8.	357	+	254	=	611
9.	156	+	137	=	293
10.	410	+	267	=	677

Oefening 2
1.	323	+	120	=	443
2.	381	+	118	=	499
3.	408	+	101	=	509
4.	488	+	443	=	931
5.	380	+	305	=	685
6.	406	+	266	=	672
7.	351	+	114	=	465
8.	367	+	308	=	675
9.	347	+	228	=	575
10.	473	+	199	=	672

Oefening 3
1.	419	+	256	=	675
2.	340	+	330	=	670
3.	409	+	123	=	532
4.	441	+	255	=	696
5.	366	+	345	=	711
6.	389	+	144	=	533
7.	490	+	415	=	905
8.	301	+	147	=	448
9.	384	+	241	=	625
10.	321	+	224	=	545

Oefening 4
1.	283	+	133	=	416
2.	456	+	396	=	852
3.	314	+	184	=	498
4.	273	+	235	=	508
5.	492	+	234	=	726
6.	431	+	196	=	627
7.	470	+	174	=	644
8.	483	+	311	=	794
9.	468	+	100	=	568
10.	314	+	100	=	414