Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	776	+		=	987
2.	756	+		=	1.288
3.	567	+		=	905
4.	464	+		=	714
5.	879	+		=	1.327
6.	551	+		=	867
7.	992	+		=	1.437
8.	925	+		=	1.361
9.	798	+		=	1.215
10.	631	+		=	862

Oefening 2
1.	874	+		=	1.614
2.	957	+		=	1.235
3.	790	+		=	1.060
4.	929	+		=	1.464
5.	394	+		=	770
6.	791	+		=	1.572
7.	712	+		=	1.309
8.	976	+		=	1.383
9.	993	+		=	1.794
10.	830	+		=	1.480

Oefening 3
1.	682	+		=	897
2.	990	+		=	1.513
3.	892	+		=	1.348
4.	877	+		=	1.513
5.	837	+		=	1.262
6.	474	+		=	870
7.	612	+		=	1.184
8.	704	+		=	1.017
9.	905	+		=	1.490
10.	647	+		=	1.221

Oefening 4
1.	997	+		=	1.278
2.	714	+		=	1.327
3.	669	+		=	1.161
4.	744	+		=	1.289
5.	442	+		=	841
6.	983	+		=	1.516
7.	850	+		=	1.411
8.	853	+		=	1.370
9.	505	+		=	765
10.	916	+		=	1.736

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	776	+	211	=	987
2.	756	+	532	=	1.288
3.	567	+	338	=	905
4.	464	+	250	=	714
5.	879	+	448	=	1.327
6.	551	+	316	=	867
7.	992	+	445	=	1.437
8.	925	+	436	=	1.361
9.	798	+	417	=	1.215
10.	631	+	231	=	862

Oefening 2
1.	874	+	740	=	1.614
2.	957	+	278	=	1.235
3.	790	+	270	=	1.060
4.	929	+	535	=	1.464
5.	394	+	376	=	770
6.	791	+	781	=	1.572
7.	712	+	597	=	1.309
8.	976	+	407	=	1.383
9.	993	+	801	=	1.794
10.	830	+	650	=	1.480

Oefening 3
1.	682	+	215	=	897
2.	990	+	523	=	1.513
3.	892	+	456	=	1.348
4.	877	+	636	=	1.513
5.	837	+	425	=	1.262
6.	474	+	396	=	870
7.	612	+	572	=	1.184
8.	704	+	313	=	1.017
9.	905	+	585	=	1.490
10.	647	+	574	=	1.221

Oefening 4
1.	997	+	281	=	1.278
2.	714	+	613	=	1.327
3.	669	+	492	=	1.161
4.	744	+	545	=	1.289
5.	442	+	399	=	841
6.	983	+	533	=	1.516
7.	850	+	561	=	1.411
8.	853	+	517	=	1.370
9.	505	+	260	=	765
10.	916	+	820	=	1.736