Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	310	+		=	590
2.	313	+		=	573
3.	742	+		=	1.419
4.	877	+		=	1.549
5.	587	+		=	790
6.	942	+		=	1.779
7.	639	+		=	1.161
8.	766	+		=	1.064
9.	930	+		=	1.847
10.	279	+		=	547

Oefening 2
1.	656	+		=	1.010
2.	689	+		=	1.275
3.	890	+		=	1.149
4.	602	+		=	992
5.	895	+		=	1.471
6.	701	+		=	1.019
7.	975	+		=	1.424
8.	989	+		=	1.289
9.	504	+		=	760
10.	895	+		=	1.250

Oefening 3
1.	973	+		=	1.697
2.	613	+		=	947
3.	752	+		=	1.393
4.	576	+		=	806
5.	680	+		=	1.205
6.	733	+		=	933
7.	503	+		=	830
8.	715	+		=	1.338
9.	897	+		=	1.371
10.	431	+		=	671

Oefening 4
1.	442	+		=	788
2.	892	+		=	1.480
3.	494	+		=	758
4.	918	+		=	1.192
5.	1.000	+		=	1.376
6.	911	+		=	1.559
7.	938	+		=	1.294
8.	935	+		=	1.686
9.	619	+		=	1.231
10.	965	+		=	1.755

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	310	+	280	=	590
2.	313	+	260	=	573
3.	742	+	677	=	1.419
4.	877	+	672	=	1.549
5.	587	+	203	=	790
6.	942	+	837	=	1.779
7.	639	+	522	=	1.161
8.	766	+	298	=	1.064
9.	930	+	917	=	1.847
10.	279	+	268	=	547

Oefening 2
1.	656	+	354	=	1.010
2.	689	+	586	=	1.275
3.	890	+	259	=	1.149
4.	602	+	390	=	992
5.	895	+	576	=	1.471
6.	701	+	318	=	1.019
7.	975	+	449	=	1.424
8.	989	+	300	=	1.289
9.	504	+	256	=	760
10.	895	+	355	=	1.250

Oefening 3
1.	973	+	724	=	1.697
2.	613	+	334	=	947
3.	752	+	641	=	1.393
4.	576	+	230	=	806
5.	680	+	525	=	1.205
6.	733	+	200	=	933
7.	503	+	327	=	830
8.	715	+	623	=	1.338
9.	897	+	474	=	1.371
10.	431	+	240	=	671

Oefening 4
1.	442	+	346	=	788
2.	892	+	588	=	1.480
3.	494	+	264	=	758
4.	918	+	274	=	1.192
5.	1.000	+	376	=	1.376
6.	911	+	648	=	1.559
7.	938	+	356	=	1.294
8.	935	+	751	=	1.686
9.	619	+	612	=	1.231
10.	965	+	790	=	1.755