Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	526	+		=	767
2.	931	+		=	1.561
3.	750	+		=	1.419
4.	939	+		=	1.727
5.	340	+		=	604
6.	827	+		=	1.043
7.	710	+		=	1.281
8.	694	+		=	930
9.	579	+		=	933
10.	927	+		=	1.691

Oefening 2
1.	896	+		=	1.279
2.	645	+		=	864
3.	813	+		=	1.581
4.	467	+		=	764
5.	866	+		=	1.339
6.	960	+		=	1.731
7.	868	+		=	1.606
8.	433	+		=	652
9.	574	+		=	924
10.	816	+		=	1.614

Oefening 3
1.	951	+		=	1.885
2.	769	+		=	1.366
3.	733	+		=	1.021
4.	1.000	+		=	1.226
5.	478	+		=	916
6.	733	+		=	1.111
7.	866	+		=	1.650
8.	641	+		=	968
9.	928	+		=	1.634
10.	698	+		=	1.179

Oefening 4
1.	975	+		=	1.842
2.	718	+		=	971
3.	994	+		=	1.202
4.	551	+		=	935
5.	985	+		=	1.861
6.	689	+		=	1.086
7.	482	+		=	905
8.	854	+		=	1.224
9.	945	+		=	1.603
10.	715	+		=	1.144

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	526	+	241	=	767
2.	931	+	630	=	1.561
3.	750	+	669	=	1.419
4.	939	+	788	=	1.727
5.	340	+	264	=	604
6.	827	+	216	=	1.043
7.	710	+	571	=	1.281
8.	694	+	236	=	930
9.	579	+	354	=	933
10.	927	+	764	=	1.691

Oefening 2
1.	896	+	383	=	1.279
2.	645	+	219	=	864
3.	813	+	768	=	1.581
4.	467	+	297	=	764
5.	866	+	473	=	1.339
6.	960	+	771	=	1.731
7.	868	+	738	=	1.606
8.	433	+	219	=	652
9.	574	+	350	=	924
10.	816	+	798	=	1.614

Oefening 3
1.	951	+	934	=	1.885
2.	769	+	597	=	1.366
3.	733	+	288	=	1.021
4.	1.000	+	226	=	1.226
5.	478	+	438	=	916
6.	733	+	378	=	1.111
7.	866	+	784	=	1.650
8.	641	+	327	=	968
9.	928	+	706	=	1.634
10.	698	+	481	=	1.179

Oefening 4
1.	975	+	867	=	1.842
2.	718	+	253	=	971
3.	994	+	208	=	1.202
4.	551	+	384	=	935
5.	985	+	876	=	1.861
6.	689	+	397	=	1.086
7.	482	+	423	=	905
8.	854	+	370	=	1.224
9.	945	+	658	=	1.603
10.	715	+	429	=	1.144