Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	373	+		=	705
2.	470	+		=	723
3.	760	+		=	1.460
4.	267	+		=	528
5.	798	+		=	1.361
6.	781	+		=	1.262
7.	334	+		=	666
8.	560	+		=	795
9.	919	+		=	1.399
10.	734	+		=	1.128

Oefening 2
1.	768	+		=	1.475
2.	637	+		=	1.170
3.	999	+		=	1.972
4.	993	+		=	1.202
5.	690	+		=	1.344
6.	921	+		=	1.715
7.	393	+		=	690
8.	882	+		=	1.748
9.	530	+		=	766
10.	493	+		=	903

Oefening 3
1.	423	+		=	690
2.	557	+		=	770
3.	411	+		=	638
4.	822	+		=	1.510
5.	722	+		=	1.258
6.	680	+		=	1.216
7.	524	+		=	828
8.	252	+		=	483
9.	758	+		=	1.293
10.	796	+		=	1.158

Oefening 4
1.	993	+		=	1.326
2.	722	+		=	1.359
3.	728	+		=	1.181
4.	399	+		=	632
5.	927	+		=	1.788
6.	307	+		=	606
7.	352	+		=	658
8.	819	+		=	1.330
9.	472	+		=	734
10.	313	+		=	603

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	373	+	332	=	705
2.	470	+	253	=	723
3.	760	+	700	=	1.460
4.	267	+	261	=	528
5.	798	+	563	=	1.361
6.	781	+	481	=	1.262
7.	334	+	332	=	666
8.	560	+	235	=	795
9.	919	+	480	=	1.399
10.	734	+	394	=	1.128

Oefening 2
1.	768	+	707	=	1.475
2.	637	+	533	=	1.170
3.	999	+	973	=	1.972
4.	993	+	209	=	1.202
5.	690	+	654	=	1.344
6.	921	+	794	=	1.715
7.	393	+	297	=	690
8.	882	+	866	=	1.748
9.	530	+	236	=	766
10.	493	+	410	=	903

Oefening 3
1.	423	+	267	=	690
2.	557	+	213	=	770
3.	411	+	227	=	638
4.	822	+	688	=	1.510
5.	722	+	536	=	1.258
6.	680	+	536	=	1.216
7.	524	+	304	=	828
8.	252	+	231	=	483
9.	758	+	535	=	1.293
10.	796	+	362	=	1.158

Oefening 4
1.	993	+	333	=	1.326
2.	722	+	637	=	1.359
3.	728	+	453	=	1.181
4.	399	+	233	=	632
5.	927	+	861	=	1.788
6.	307	+	299	=	606
7.	352	+	306	=	658
8.	819	+	511	=	1.330
9.	472	+	262	=	734
10.	313	+	290	=	603