Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	743	+		=	1.274
2.	915	+		=	1.396
3.	918	+		=	1.644
4.	902	+		=	1.114
5.	287	+		=	509
6.	854	+		=	1.441
7.	652	+		=	1.232
8.	993	+		=	1.749
9.	795	+		=	1.554
10.	860	+		=	1.654

Oefening 2
1.	881	+		=	1.325
2.	932	+		=	1.556
3.	966	+		=	1.689
4.	964	+		=	1.865
5.	506	+		=	884
6.	902	+		=	1.738
7.	831	+		=	1.652
8.	472	+		=	891
9.	867	+		=	1.260
10.	481	+		=	786

Oefening 3
1.	600	+		=	1.170
2.	960	+		=	1.482
3.	308	+		=	538
4.	980	+		=	1.869
5.	835	+		=	1.361
6.	942	+		=	1.838
7.	638	+		=	1.165
8.	672	+		=	1.244
9.	873	+		=	1.440
10.	748	+		=	1.265

Oefening 4
1.	715	+		=	938
2.	576	+		=	789
3.	428	+		=	772
4.	773	+		=	1.129
5.	510	+		=	810
6.	857	+		=	1.572
7.	592	+		=	1.093
8.	732	+		=	1.108
9.	997	+		=	1.474
10.	970	+		=	1.453

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	743	+	531	=	1.274
2.	915	+	481	=	1.396
3.	918	+	726	=	1.644
4.	902	+	212	=	1.114
5.	287	+	222	=	509
6.	854	+	587	=	1.441
7.	652	+	580	=	1.232
8.	993	+	756	=	1.749
9.	795	+	759	=	1.554
10.	860	+	794	=	1.654

Oefening 2
1.	881	+	444	=	1.325
2.	932	+	624	=	1.556
3.	966	+	723	=	1.689
4.	964	+	901	=	1.865
5.	506	+	378	=	884
6.	902	+	836	=	1.738
7.	831	+	821	=	1.652
8.	472	+	419	=	891
9.	867	+	393	=	1.260
10.	481	+	305	=	786

Oefening 3
1.	600	+	570	=	1.170
2.	960	+	522	=	1.482
3.	308	+	230	=	538
4.	980	+	889	=	1.869
5.	835	+	526	=	1.361
6.	942	+	896	=	1.838
7.	638	+	527	=	1.165
8.	672	+	572	=	1.244
9.	873	+	567	=	1.440
10.	748	+	517	=	1.265

Oefening 4
1.	715	+	223	=	938
2.	576	+	213	=	789
3.	428	+	344	=	772
4.	773	+	356	=	1.129
5.	510	+	300	=	810
6.	857	+	715	=	1.572
7.	592	+	501	=	1.093
8.	732	+	376	=	1.108
9.	997	+	477	=	1.474
10.	970	+	483	=	1.453