Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	417	+		=	832
2.	454	+		=	894
3.	280	+		=	511
4.	500	+		=	801
5.	438	+		=	850
6.	357	+		=	615
7.	424	+		=	818
8.	218	+		=	417
9.	233	+		=	392
10.	162	+		=	312

Oefening 2
1.	395	+		=	741
2.	302	+		=	429
3.	183	+		=	288
4.	452	+		=	584
5.	361	+		=	583
6.	452	+		=	759
7.	454	+		=	563
8.	327	+		=	621
9.	317	+		=	538
10.	153	+		=	294

Oefening 3
1.	223	+		=	361
2.	483	+		=	652
3.	315	+		=	494
4.	406	+		=	722
5.	383	+		=	659
6.	461	+		=	696
7.	384	+		=	537
8.	374	+		=	549
9.	392	+		=	684
10.	373	+		=	738

Oefening 4
1.	332	+		=	599
2.	384	+		=	551
3.	294	+		=	467
4.	355	+		=	662
5.	429	+		=	705
6.	438	+		=	868
7.	342	+		=	674
8.	191	+		=	365
9.	346	+		=	578
10.	335	+		=	608

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	417	+	415	=	832
2.	454	+	440	=	894
3.	280	+	231	=	511
4.	500	+	301	=	801
5.	438	+	412	=	850
6.	357	+	258	=	615
7.	424	+	394	=	818
8.	218	+	199	=	417
9.	233	+	159	=	392
10.	162	+	150	=	312

Oefening 2
1.	395	+	346	=	741
2.	302	+	127	=	429
3.	183	+	105	=	288
4.	452	+	132	=	584
5.	361	+	222	=	583
6.	452	+	307	=	759
7.	454	+	109	=	563
8.	327	+	294	=	621
9.	317	+	221	=	538
10.	153	+	141	=	294

Oefening 3
1.	223	+	138	=	361
2.	483	+	169	=	652
3.	315	+	179	=	494
4.	406	+	316	=	722
5.	383	+	276	=	659
6.	461	+	235	=	696
7.	384	+	153	=	537
8.	374	+	175	=	549
9.	392	+	292	=	684
10.	373	+	365	=	738

Oefening 4
1.	332	+	267	=	599
2.	384	+	167	=	551
3.	294	+	173	=	467
4.	355	+	307	=	662
5.	429	+	276	=	705
6.	438	+	430	=	868
7.	342	+	332	=	674
8.	191	+	174	=	365
9.	346	+	232	=	578
10.	335	+	273	=	608