Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	361	+		=	587
2.	477	+		=	951
3.	686	+		=	1.073
4.	909	+		=	1.670
5.	934	+		=	1.298
6.	406	+		=	764
7.	939	+		=	1.422
8.	821	+		=	1.457
9.	735	+		=	1.147
10.	820	+		=	1.498

Oefening 2
1.	930	+		=	1.685
2.	733	+		=	1.030
3.	834	+		=	1.425
4.	795	+		=	1.103
5.	759	+		=	1.258
6.	785	+		=	1.462
7.	534	+		=	890
8.	726	+		=	1.331
9.	835	+		=	1.356
10.	857	+		=	1.317

Oefening 3
1.	878	+		=	1.176
2.	840	+		=	1.399
3.	777	+		=	1.066
4.	343	+		=	543
5.	582	+		=	1.101
6.	814	+		=	1.216
7.	462	+		=	675
8.	755	+		=	1.480
9.	657	+		=	1.098
10.	733	+		=	1.322

Oefening 4
1.	509	+		=	879
2.	891	+		=	1.147
3.	636	+		=	1.265
4.	613	+		=	997
5.	646	+		=	1.073
6.	458	+		=	729
7.	798	+		=	1.276
8.	964	+		=	1.741
9.	453	+		=	883
10.	939	+		=	1.458

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	361	+	226	=	587
2.	477	+	474	=	951
3.	686	+	387	=	1.073
4.	909	+	761	=	1.670
5.	934	+	364	=	1.298
6.	406	+	358	=	764
7.	939	+	483	=	1.422
8.	821	+	636	=	1.457
9.	735	+	412	=	1.147
10.	820	+	678	=	1.498

Oefening 2
1.	930	+	755	=	1.685
2.	733	+	297	=	1.030
3.	834	+	591	=	1.425
4.	795	+	308	=	1.103
5.	759	+	499	=	1.258
6.	785	+	677	=	1.462
7.	534	+	356	=	890
8.	726	+	605	=	1.331
9.	835	+	521	=	1.356
10.	857	+	460	=	1.317

Oefening 3
1.	878	+	298	=	1.176
2.	840	+	559	=	1.399
3.	777	+	289	=	1.066
4.	343	+	200	=	543
5.	582	+	519	=	1.101
6.	814	+	402	=	1.216
7.	462	+	213	=	675
8.	755	+	725	=	1.480
9.	657	+	441	=	1.098
10.	733	+	589	=	1.322

Oefening 4
1.	509	+	370	=	879
2.	891	+	256	=	1.147
3.	636	+	629	=	1.265
4.	613	+	384	=	997
5.	646	+	427	=	1.073
6.	458	+	271	=	729
7.	798	+	478	=	1.276
8.	964	+	777	=	1.741
9.	453	+	430	=	883
10.	939	+	519	=	1.458