Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	448	+		=	891
2.	778	+		=	1.523
3.	919	+		=	1.824
4.	888	+		=	1.504
5.	584	+		=	1.045
6.	736	+		=	1.127
7.	656	+		=	1.093
8.	806	+		=	1.285
9.	504	+		=	785
10.	370	+		=	594

Oefening 2
1.	767	+		=	1.308
2.	752	+		=	1.307
3.	629	+		=	1.011
4.	886	+		=	1.520
5.	575	+		=	1.006
6.	561	+		=	929
7.	519	+		=	1.024
8.	442	+		=	767
9.	860	+		=	1.213
10.	891	+		=	1.272

Oefening 3
1.	883	+		=	1.420
2.	770	+		=	1.332
3.	643	+		=	935
4.	642	+		=	1.043
5.	392	+		=	634
6.	702	+		=	1.208
7.	634	+		=	1.115
8.	947	+		=	1.195
9.	944	+		=	1.223
10.	917	+		=	1.368

Oefening 4
1.	788	+		=	1.508
2.	745	+		=	1.481
3.	786	+		=	1.380
4.	823	+		=	1.381
5.	612	+		=	1.068
6.	746	+		=	1.169
7.	966	+		=	1.329
8.	509	+		=	946
9.	834	+		=	1.086
10.	757	+		=	967

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	448	+	443	=	891
2.	778	+	745	=	1.523
3.	919	+	905	=	1.824
4.	888	+	616	=	1.504
5.	584	+	461	=	1.045
6.	736	+	391	=	1.127
7.	656	+	437	=	1.093
8.	806	+	479	=	1.285
9.	504	+	281	=	785
10.	370	+	224	=	594

Oefening 2
1.	767	+	541	=	1.308
2.	752	+	555	=	1.307
3.	629	+	382	=	1.011
4.	886	+	634	=	1.520
5.	575	+	431	=	1.006
6.	561	+	368	=	929
7.	519	+	505	=	1.024
8.	442	+	325	=	767
9.	860	+	353	=	1.213
10.	891	+	381	=	1.272

Oefening 3
1.	883	+	537	=	1.420
2.	770	+	562	=	1.332
3.	643	+	292	=	935
4.	642	+	401	=	1.043
5.	392	+	242	=	634
6.	702	+	506	=	1.208
7.	634	+	481	=	1.115
8.	947	+	248	=	1.195
9.	944	+	279	=	1.223
10.	917	+	451	=	1.368

Oefening 4
1.	788	+	720	=	1.508
2.	745	+	736	=	1.481
3.	786	+	594	=	1.380
4.	823	+	558	=	1.381
5.	612	+	456	=	1.068
6.	746	+	423	=	1.169
7.	966	+	363	=	1.329
8.	509	+	437	=	946
9.	834	+	252	=	1.086
10.	757	+	210	=	967