Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	329	+		=	649
2.	388	+		=	500
3.	487	+		=	830
4.	171	+		=	286
5.	444	+		=	834
6.	339	+		=	470
7.	306	+		=	454
8.	372	+		=	625
9.	230	+		=	339
10.	195	+		=	333

Oefening 2
1.	481	+		=	910
2.	456	+		=	577
3.	320	+		=	467
4.	437	+		=	846
5.	225	+		=	349
6.	179	+		=	335
7.	422	+		=	789
8.	226	+		=	440
9.	342	+		=	683
10.	226	+		=	431

Oefening 3
1.	386	+		=	525
2.	196	+		=	385
3.	291	+		=	534
4.	477	+		=	790
5.	363	+		=	630
6.	384	+		=	673
7.	354	+		=	682
8.	348	+		=	634
9.	433	+		=	783
10.	479	+		=	725

Oefening 4
1.	445	+		=	871
2.	483	+		=	892
3.	462	+		=	830
4.	318	+		=	573
5.	346	+		=	602
6.	420	+		=	805
7.	267	+		=	493
8.	345	+		=	487
9.	455	+		=	721
10.	333	+		=	551

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	329	+	320	=	649
2.	388	+	112	=	500
3.	487	+	343	=	830
4.	171	+	115	=	286
5.	444	+	390	=	834
6.	339	+	131	=	470
7.	306	+	148	=	454
8.	372	+	253	=	625
9.	230	+	109	=	339
10.	195	+	138	=	333

Oefening 2
1.	481	+	429	=	910
2.	456	+	121	=	577
3.	320	+	147	=	467
4.	437	+	409	=	846
5.	225	+	124	=	349
6.	179	+	156	=	335
7.	422	+	367	=	789
8.	226	+	214	=	440
9.	342	+	341	=	683
10.	226	+	205	=	431

Oefening 3
1.	386	+	139	=	525
2.	196	+	189	=	385
3.	291	+	243	=	534
4.	477	+	313	=	790
5.	363	+	267	=	630
6.	384	+	289	=	673
7.	354	+	328	=	682
8.	348	+	286	=	634
9.	433	+	350	=	783
10.	479	+	246	=	725

Oefening 4
1.	445	+	426	=	871
2.	483	+	409	=	892
3.	462	+	368	=	830
4.	318	+	255	=	573
5.	346	+	256	=	602
6.	420	+	385	=	805
7.	267	+	226	=	493
8.	345	+	142	=	487
9.	455	+	266	=	721
10.	333	+	218	=	551