Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	441	+		=	701
2.	969	+		=	1.293
3.	816	+		=	1.608
4.	628	+		=	1.034
5.	760	+		=	1.025
6.	535	+		=	818
7.	947	+		=	1.346
8.	569	+		=	895
9.	708	+		=	981
10.	642	+		=	1.094

Oefening 2
1.	740	+		=	1.336
2.	991	+		=	1.865
3.	771	+		=	1.155
4.	329	+		=	534
5.	585	+		=	949
6.	929	+		=	1.359
7.	997	+		=	1.209
8.	516	+		=	996
9.	722	+		=	1.205
10.	505	+		=	812

Oefening 3
1.	337	+		=	670
2.	289	+		=	567
3.	942	+		=	1.799
4.	835	+		=	1.316
5.	583	+		=	987
6.	382	+		=	683
7.	982	+		=	1.735
8.	774	+		=	1.032
9.	820	+		=	1.339
10.	652	+		=	1.037

Oefening 4
1.	502	+		=	783
2.	866	+		=	1.352
3.	839	+		=	1.584
4.	561	+		=	803
5.	713	+		=	1.158
6.	819	+		=	1.202
7.	858	+		=	1.553
8.	805	+		=	1.065
9.	927	+		=	1.406
10.	855	+		=	1.687

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	441	+	260	=	701
2.	969	+	324	=	1.293
3.	816	+	792	=	1.608
4.	628	+	406	=	1.034
5.	760	+	265	=	1.025
6.	535	+	283	=	818
7.	947	+	399	=	1.346
8.	569	+	326	=	895
9.	708	+	273	=	981
10.	642	+	452	=	1.094

Oefening 2
1.	740	+	596	=	1.336
2.	991	+	874	=	1.865
3.	771	+	384	=	1.155
4.	329	+	205	=	534
5.	585	+	364	=	949
6.	929	+	430	=	1.359
7.	997	+	212	=	1.209
8.	516	+	480	=	996
9.	722	+	483	=	1.205
10.	505	+	307	=	812

Oefening 3
1.	337	+	333	=	670
2.	289	+	278	=	567
3.	942	+	857	=	1.799
4.	835	+	481	=	1.316
5.	583	+	404	=	987
6.	382	+	301	=	683
7.	982	+	753	=	1.735
8.	774	+	258	=	1.032
9.	820	+	519	=	1.339
10.	652	+	385	=	1.037

Oefening 4
1.	502	+	281	=	783
2.	866	+	486	=	1.352
3.	839	+	745	=	1.584
4.	561	+	242	=	803
5.	713	+	445	=	1.158
6.	819	+	383	=	1.202
7.	858	+	695	=	1.553
8.	805	+	260	=	1.065
9.	927	+	479	=	1.406
10.	855	+	832	=	1.687