Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	487	+		=	862
2.	483	+		=	817
3.	328	+		=	614
4.	471	+		=	729
5.	310	+		=	615
6.	370	+		=	496
7.	326	+		=	619
8.	425	+		=	615
9.	400	+		=	594
10.	481	+		=	849

Oefening 2
1.	245	+		=	395
2.	295	+		=	549
3.	417	+		=	607
4.	244	+		=	457
5.	433	+		=	538
6.	324	+		=	612
7.	330	+		=	497
8.	202	+		=	355
9.	499	+		=	948
10.	387	+		=	521

Oefening 3
1.	360	+		=	711
2.	131	+		=	233
3.	349	+		=	564
4.	380	+		=	494
5.	278	+		=	385
6.	406	+		=	797
7.	220	+		=	337
8.	495	+		=	976
9.	321	+		=	565
10.	440	+		=	558

Oefening 4
1.	425	+		=	624
2.	425	+		=	631
3.	341	+		=	443
4.	478	+		=	774
5.	480	+		=	765
6.	418	+		=	596
7.	427	+		=	796
8.	437	+		=	603
9.	184	+		=	333
10.	143	+		=	264

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	487	+	375	=	862
2.	483	+	334	=	817
3.	328	+	286	=	614
4.	471	+	258	=	729
5.	310	+	305	=	615
6.	370	+	126	=	496
7.	326	+	293	=	619
8.	425	+	190	=	615
9.	400	+	194	=	594
10.	481	+	368	=	849

Oefening 2
1.	245	+	150	=	395
2.	295	+	254	=	549
3.	417	+	190	=	607
4.	244	+	213	=	457
5.	433	+	105	=	538
6.	324	+	288	=	612
7.	330	+	167	=	497
8.	202	+	153	=	355
9.	499	+	449	=	948
10.	387	+	134	=	521

Oefening 3
1.	360	+	351	=	711
2.	131	+	102	=	233
3.	349	+	215	=	564
4.	380	+	114	=	494
5.	278	+	107	=	385
6.	406	+	391	=	797
7.	220	+	117	=	337
8.	495	+	481	=	976
9.	321	+	244	=	565
10.	440	+	118	=	558

Oefening 4
1.	425	+	199	=	624
2.	425	+	206	=	631
3.	341	+	102	=	443
4.	478	+	296	=	774
5.	480	+	285	=	765
6.	418	+	178	=	596
7.	427	+	369	=	796
8.	437	+	166	=	603
9.	184	+	149	=	333
10.	143	+	121	=	264