Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	970	+		=	1.311
2.	906	+		=	1.569
3.	663	+		=	1.124
4.	399	+		=	651
5.	382	+		=	670
6.	711	+		=	984
7.	424	+		=	659
8.	750	+		=	1.274
9.	521	+		=	890
10.	1.000	+		=	1.587

Oefening 2
1.	650	+		=	1.248
2.	398	+		=	724
3.	701	+		=	993
4.	621	+		=	1.242
5.	842	+		=	1.205
6.	601	+		=	1.031
7.	747	+		=	1.359
8.	296	+		=	574
9.	877	+		=	1.171
10.	598	+		=	899

Oefening 3
1.	784	+		=	1.182
2.	815	+		=	1.358
3.	979	+		=	1.599
4.	987	+		=	1.685
5.	695	+		=	1.228
6.	722	+		=	1.155
7.	838	+		=	1.647
8.	612	+		=	1.181
9.	877	+		=	1.169
10.	944	+		=	1.149

Oefening 4
1.	939	+		=	1.791
2.	719	+		=	963
3.	973	+		=	1.522
4.	685	+		=	1.339
5.	964	+		=	1.819
6.	350	+		=	611
7.	808	+		=	1.295
8.	504	+		=	879
9.	755	+		=	1.400
10.	782	+		=	1.046

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	970	+	341	=	1.311
2.	906	+	663	=	1.569
3.	663	+	461	=	1.124
4.	399	+	252	=	651
5.	382	+	288	=	670
6.	711	+	273	=	984
7.	424	+	235	=	659
8.	750	+	524	=	1.274
9.	521	+	369	=	890
10.	1.000	+	587	=	1.587

Oefening 2
1.	650	+	598	=	1.248
2.	398	+	326	=	724
3.	701	+	292	=	993
4.	621	+	621	=	1.242
5.	842	+	363	=	1.205
6.	601	+	430	=	1.031
7.	747	+	612	=	1.359
8.	296	+	278	=	574
9.	877	+	294	=	1.171
10.	598	+	301	=	899

Oefening 3
1.	784	+	398	=	1.182
2.	815	+	543	=	1.358
3.	979	+	620	=	1.599
4.	987	+	698	=	1.685
5.	695	+	533	=	1.228
6.	722	+	433	=	1.155
7.	838	+	809	=	1.647
8.	612	+	569	=	1.181
9.	877	+	292	=	1.169
10.	944	+	205	=	1.149

Oefening 4
1.	939	+	852	=	1.791
2.	719	+	244	=	963
3.	973	+	549	=	1.522
4.	685	+	654	=	1.339
5.	964	+	855	=	1.819
6.	350	+	261	=	611
7.	808	+	487	=	1.295
8.	504	+	375	=	879
9.	755	+	645	=	1.400
10.	782	+	264	=	1.046