Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	228	+		=	389
2.	406	+		=	810
3.	283	+		=	543
4.	323	+		=	594
5.	454	+		=	890
6.	346	+		=	537
7.	256	+		=	423
8.	472	+		=	903
9.	296	+		=	525
10.	323	+		=	504

Oefening 2
1.	183	+		=	319
2.	297	+		=	549
3.	494	+		=	898
4.	442	+		=	712
5.	424	+		=	752
6.	378	+		=	730
7.	398	+		=	746
8.	249	+		=	488
9.	358	+		=	705
10.	281	+		=	391

Oefening 3
1.	289	+		=	417
2.	283	+		=	483
3.	440	+		=	642
4.	487	+		=	914
5.	323	+		=	612
6.	210	+		=	406
7.	415	+		=	759
8.	413	+		=	564
9.	479	+		=	941
10.	443	+		=	755

Oefening 4
1.	397	+		=	749
2.	472	+		=	845
3.	190	+		=	321
4.	224	+		=	356
5.	460	+		=	623
6.	495	+		=	987
7.	468	+		=	807
8.	494	+		=	983
9.	439	+		=	737
10.	427	+		=	613

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	228	+	161	=	389
2.	406	+	404	=	810
3.	283	+	260	=	543
4.	323	+	271	=	594
5.	454	+	436	=	890
6.	346	+	191	=	537
7.	256	+	167	=	423
8.	472	+	431	=	903
9.	296	+	229	=	525
10.	323	+	181	=	504

Oefening 2
1.	183	+	136	=	319
2.	297	+	252	=	549
3.	494	+	404	=	898
4.	442	+	270	=	712
5.	424	+	328	=	752
6.	378	+	352	=	730
7.	398	+	348	=	746
8.	249	+	239	=	488
9.	358	+	347	=	705
10.	281	+	110	=	391

Oefening 3
1.	289	+	128	=	417
2.	283	+	200	=	483
3.	440	+	202	=	642
4.	487	+	427	=	914
5.	323	+	289	=	612
6.	210	+	196	=	406
7.	415	+	344	=	759
8.	413	+	151	=	564
9.	479	+	462	=	941
10.	443	+	312	=	755

Oefening 4
1.	397	+	352	=	749
2.	472	+	373	=	845
3.	190	+	131	=	321
4.	224	+	132	=	356
5.	460	+	163	=	623
6.	495	+	492	=	987
7.	468	+	339	=	807
8.	494	+	489	=	983
9.	439	+	298	=	737
10.	427	+	186	=	613