Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	404	+		=	624
2.	497	+		=	919
3.	472	+		=	823
4.	291	+		=	545
5.	379	+		=	605
6.	363	+		=	725
7.	237	+		=	341
8.	488	+		=	833
9.	466	+		=	740
10.	264	+		=	502

Oefening 2
1.	483	+		=	742
2.	450	+		=	814
3.	340	+		=	595
4.	488	+		=	790
5.	493	+		=	724
6.	480	+		=	680
7.	496	+		=	771
8.	289	+		=	428
9.	362	+		=	488
10.	418	+		=	630

Oefening 3
1.	399	+		=	551
2.	323	+		=	450
3.	327	+		=	495
4.	495	+		=	829
5.	176	+		=	305
6.	191	+		=	291
7.	379	+		=	538
8.	482	+		=	939
9.	373	+		=	582
10.	314	+		=	538

Oefening 4
1.	245	+		=	345
2.	262	+		=	514
3.	294	+		=	457
4.	382	+		=	500
5.	291	+		=	422
6.	347	+		=	564
7.	495	+		=	737
8.	467	+		=	759
9.	375	+		=	649
10.	280	+		=	410

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	404	+	220	=	624
2.	497	+	422	=	919
3.	472	+	351	=	823
4.	291	+	254	=	545
5.	379	+	226	=	605
6.	363	+	362	=	725
7.	237	+	104	=	341
8.	488	+	345	=	833
9.	466	+	274	=	740
10.	264	+	238	=	502

Oefening 2
1.	483	+	259	=	742
2.	450	+	364	=	814
3.	340	+	255	=	595
4.	488	+	302	=	790
5.	493	+	231	=	724
6.	480	+	200	=	680
7.	496	+	275	=	771
8.	289	+	139	=	428
9.	362	+	126	=	488
10.	418	+	212	=	630

Oefening 3
1.	399	+	152	=	551
2.	323	+	127	=	450
3.	327	+	168	=	495
4.	495	+	334	=	829
5.	176	+	129	=	305
6.	191	+	100	=	291
7.	379	+	159	=	538
8.	482	+	457	=	939
9.	373	+	209	=	582
10.	314	+	224	=	538

Oefening 4
1.	245	+	100	=	345
2.	262	+	252	=	514
3.	294	+	163	=	457
4.	382	+	118	=	500
5.	291	+	131	=	422
6.	347	+	217	=	564
7.	495	+	242	=	737
8.	467	+	292	=	759
9.	375	+	274	=	649
10.	280	+	130	=	410