Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	506	+		=	800
2.	564	+		=	915
3.	518	+		=	967
4.	962	+		=	1.610
5.	640	+		=	1.247
6.	922	+		=	1.636
7.	950	+		=	1.858
8.	455	+		=	690
9.	504	+		=	764
10.	744	+		=	1.275

Oefening 2
1.	895	+		=	1.117
2.	472	+		=	857
3.	621	+		=	853
4.	981	+		=	1.911
5.	898	+		=	1.425
6.	646	+		=	1.283
7.	660	+		=	1.005
8.	914	+		=	1.379
9.	983	+		=	1.577
10.	304	+		=	583

Oefening 3
1.	762	+		=	1.042
2.	747	+		=	1.049
3.	783	+		=	1.037
4.	887	+		=	1.724
5.	660	+		=	1.151
6.	733	+		=	1.298
7.	946	+		=	1.300
8.	864	+		=	1.717
9.	479	+		=	812
10.	796	+		=	1.492

Oefening 4
1.	575	+		=	1.033
2.	573	+		=	883
3.	879	+		=	1.214
4.	985	+		=	1.944
5.	534	+		=	774
6.	957	+		=	1.473
7.	895	+		=	1.159
8.	856	+		=	1.384
9.	445	+		=	727
10.	523	+		=	935

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	506	+	294	=	800
2.	564	+	351	=	915
3.	518	+	449	=	967
4.	962	+	648	=	1.610
5.	640	+	607	=	1.247
6.	922	+	714	=	1.636
7.	950	+	908	=	1.858
8.	455	+	235	=	690
9.	504	+	260	=	764
10.	744	+	531	=	1.275

Oefening 2
1.	895	+	222	=	1.117
2.	472	+	385	=	857
3.	621	+	232	=	853
4.	981	+	930	=	1.911
5.	898	+	527	=	1.425
6.	646	+	637	=	1.283
7.	660	+	345	=	1.005
8.	914	+	465	=	1.379
9.	983	+	594	=	1.577
10.	304	+	279	=	583

Oefening 3
1.	762	+	280	=	1.042
2.	747	+	302	=	1.049
3.	783	+	254	=	1.037
4.	887	+	837	=	1.724
5.	660	+	491	=	1.151
6.	733	+	565	=	1.298
7.	946	+	354	=	1.300
8.	864	+	853	=	1.717
9.	479	+	333	=	812
10.	796	+	696	=	1.492

Oefening 4
1.	575	+	458	=	1.033
2.	573	+	310	=	883
3.	879	+	335	=	1.214
4.	985	+	959	=	1.944
5.	534	+	240	=	774
6.	957	+	516	=	1.473
7.	895	+	264	=	1.159
8.	856	+	528	=	1.384
9.	445	+	282	=	727
10.	523	+	412	=	935