Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	796	+		=	1.202
2.	694	+		=	1.178
3.	682	+		=	1.012
4.	518	+		=	865
5.	584	+		=	1.105
6.	617	+		=	987
7.	654	+		=	1.141
8.	836	+		=	1.285
9.	673	+		=	927
10.	894	+		=	1.671

Oefening 2
1.	423	+		=	640
2.	997	+		=	1.941
3.	907	+		=	1.478
4.	866	+		=	1.491
5.	234	+		=	445
6.	709	+		=	1.257
7.	813	+		=	1.382
8.	861	+		=	1.195
9.	884	+		=	1.676
10.	870	+		=	1.178

Oefening 3
1.	758	+		=	1.404
2.	963	+		=	1.270
3.	384	+		=	680
4.	661	+		=	1.285
5.	866	+		=	1.319
6.	931	+		=	1.479
7.	787	+		=	1.413
8.	644	+		=	1.216
9.	906	+		=	1.666
10.	561	+		=	1.037

Oefening 4
1.	929	+		=	1.609
2.	823	+		=	1.524
3.	926	+		=	1.399
4.	964	+		=	1.354
5.	880	+		=	1.088
6.	949	+		=	1.428
7.	879	+		=	1.086
8.	954	+		=	1.237
9.	393	+		=	596
10.	881	+		=	1.240

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	796	+	406	=	1.202
2.	694	+	484	=	1.178
3.	682	+	330	=	1.012
4.	518	+	347	=	865
5.	584	+	521	=	1.105
6.	617	+	370	=	987
7.	654	+	487	=	1.141
8.	836	+	449	=	1.285
9.	673	+	254	=	927
10.	894	+	777	=	1.671

Oefening 2
1.	423	+	217	=	640
2.	997	+	944	=	1.941
3.	907	+	571	=	1.478
4.	866	+	625	=	1.491
5.	234	+	211	=	445
6.	709	+	548	=	1.257
7.	813	+	569	=	1.382
8.	861	+	334	=	1.195
9.	884	+	792	=	1.676
10.	870	+	308	=	1.178

Oefening 3
1.	758	+	646	=	1.404
2.	963	+	307	=	1.270
3.	384	+	296	=	680
4.	661	+	624	=	1.285
5.	866	+	453	=	1.319
6.	931	+	548	=	1.479
7.	787	+	626	=	1.413
8.	644	+	572	=	1.216
9.	906	+	760	=	1.666
10.	561	+	476	=	1.037

Oefening 4
1.	929	+	680	=	1.609
2.	823	+	701	=	1.524
3.	926	+	473	=	1.399
4.	964	+	390	=	1.354
5.	880	+	208	=	1.088
6.	949	+	479	=	1.428
7.	879	+	207	=	1.086
8.	954	+	283	=	1.237
9.	393	+	203	=	596
10.	881	+	359	=	1.240