Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	632	+		=	988
2.	221	+		=	429
3.	939	+		=	1.222
4.	893	+		=	1.494
5.	710	+		=	1.392
6.	723	+		=	931
7.	858	+		=	1.561
8.	964	+		=	1.511
9.	782	+		=	1.045
10.	679	+		=	1.278

Oefening 2
1.	968	+		=	1.468
2.	620	+		=	982
3.	505	+		=	902
4.	800	+		=	1.525
5.	389	+		=	644
6.	613	+		=	939
7.	669	+		=	1.192
8.	745	+		=	1.445
9.	651	+		=	1.197
10.	824	+		=	1.225

Oefening 3
1.	631	+		=	881
2.	647	+		=	1.031
3.	689	+		=	1.212
4.	573	+		=	786
5.	972	+		=	1.244
6.	585	+		=	1.028
7.	986	+		=	1.320
8.	831	+		=	1.200
9.	377	+		=	586
10.	742	+		=	1.314

Oefening 4
1.	506	+		=	824
2.	894	+		=	1.423
3.	764	+		=	1.396
4.	804	+		=	1.274
5.	564	+		=	907
6.	662	+		=	1.169
7.	923	+		=	1.296
8.	852	+		=	1.456
9.	720	+		=	1.430
10.	879	+		=	1.634

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	632	+	356	=	988
2.	221	+	208	=	429
3.	939	+	283	=	1.222
4.	893	+	601	=	1.494
5.	710	+	682	=	1.392
6.	723	+	208	=	931
7.	858	+	703	=	1.561
8.	964	+	547	=	1.511
9.	782	+	263	=	1.045
10.	679	+	599	=	1.278

Oefening 2
1.	968	+	500	=	1.468
2.	620	+	362	=	982
3.	505	+	397	=	902
4.	800	+	725	=	1.525
5.	389	+	255	=	644
6.	613	+	326	=	939
7.	669	+	523	=	1.192
8.	745	+	700	=	1.445
9.	651	+	546	=	1.197
10.	824	+	401	=	1.225

Oefening 3
1.	631	+	250	=	881
2.	647	+	384	=	1.031
3.	689	+	523	=	1.212
4.	573	+	213	=	786
5.	972	+	272	=	1.244
6.	585	+	443	=	1.028
7.	986	+	334	=	1.320
8.	831	+	369	=	1.200
9.	377	+	209	=	586
10.	742	+	572	=	1.314

Oefening 4
1.	506	+	318	=	824
2.	894	+	529	=	1.423
3.	764	+	632	=	1.396
4.	804	+	470	=	1.274
5.	564	+	343	=	907
6.	662	+	507	=	1.169
7.	923	+	373	=	1.296
8.	852	+	604	=	1.456
9.	720	+	710	=	1.430
10.	879	+	755	=	1.634