Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	837	+		=	1.576
2.	691	+		=	1.339
3.	955	+		=	1.259
4.	968	+		=	1.865
5.	841	+		=	1.625
6.	699	+		=	1.286
7.	597	+		=	1.011
8.	956	+		=	1.350
9.	542	+		=	887
10.	675	+		=	1.100

Oefening 2
1.	733	+		=	1.356
2.	932	+		=	1.477
3.	837	+		=	1.126
4.	394	+		=	605
5.	558	+		=	1.012
6.	871	+		=	1.510
7.	411	+		=	663
8.	944	+		=	1.589
9.	919	+		=	1.137
10.	595	+		=	1.129

Oefening 3
1.	955	+		=	1.265
2.	865	+		=	1.410
3.	398	+		=	777
4.	565	+		=	852
5.	761	+		=	1.168
6.	834	+		=	1.213
7.	347	+		=	641
8.	681	+		=	997
9.	797	+		=	1.391
10.	652	+		=	1.199

Oefening 4
1.	864	+		=	1.297
2.	919	+		=	1.675
3.	948	+		=	1.265
4.	596	+		=	814
5.	952	+		=	1.265
6.	585	+		=	1.109
7.	749	+		=	1.470
8.	803	+		=	1.050
9.	890	+		=	1.606
10.	761	+		=	965

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	837	+	739	=	1.576
2.	691	+	648	=	1.339
3.	955	+	304	=	1.259
4.	968	+	897	=	1.865
5.	841	+	784	=	1.625
6.	699	+	587	=	1.286
7.	597	+	414	=	1.011
8.	956	+	394	=	1.350
9.	542	+	345	=	887
10.	675	+	425	=	1.100

Oefening 2
1.	733	+	623	=	1.356
2.	932	+	545	=	1.477
3.	837	+	289	=	1.126
4.	394	+	211	=	605
5.	558	+	454	=	1.012
6.	871	+	639	=	1.510
7.	411	+	252	=	663
8.	944	+	645	=	1.589
9.	919	+	218	=	1.137
10.	595	+	534	=	1.129

Oefening 3
1.	955	+	310	=	1.265
2.	865	+	545	=	1.410
3.	398	+	379	=	777
4.	565	+	287	=	852
5.	761	+	407	=	1.168
6.	834	+	379	=	1.213
7.	347	+	294	=	641
8.	681	+	316	=	997
9.	797	+	594	=	1.391
10.	652	+	547	=	1.199

Oefening 4
1.	864	+	433	=	1.297
2.	919	+	756	=	1.675
3.	948	+	317	=	1.265
4.	596	+	218	=	814
5.	952	+	313	=	1.265
6.	585	+	524	=	1.109
7.	749	+	721	=	1.470
8.	803	+	247	=	1.050
9.	890	+	716	=	1.606
10.	761	+	204	=	965