Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	885	+		=	1.269
2.	924	+		=	1.442
3.	819	+		=	1.380
4.	805	+		=	1.540
5.	922	+		=	1.130
6.	861	+		=	1.644
7.	893	+		=	1.778
8.	355	+		=	679
9.	905	+		=	1.712
10.	989	+		=	1.471

Oefening 2
1.	788	+		=	1.063
2.	526	+		=	1.043
3.	804	+		=	1.058
4.	576	+		=	809
5.	668	+		=	1.160
6.	869	+		=	1.248
7.	930	+		=	1.562
8.	985	+		=	1.203
9.	998	+		=	1.850
10.	686	+		=	1.225

Oefening 3
1.	403	+		=	664
2.	801	+		=	1.185
3.	670	+		=	1.027
4.	291	+		=	553
5.	742	+		=	1.382
6.	881	+		=	1.736
7.	680	+		=	1.259
8.	822	+		=	1.266
9.	920	+		=	1.317
10.	860	+		=	1.540

Oefening 4
1.	691	+		=	1.190
2.	270	+		=	505
3.	699	+		=	1.220
4.	763	+		=	989
5.	923	+		=	1.811
6.	953	+		=	1.718
7.	868	+		=	1.703
8.	963	+		=	1.243
9.	931	+		=	1.810
10.	990	+		=	1.218

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	885	+	384	=	1.269
2.	924	+	518	=	1.442
3.	819	+	561	=	1.380
4.	805	+	735	=	1.540
5.	922	+	208	=	1.130
6.	861	+	783	=	1.644
7.	893	+	885	=	1.778
8.	355	+	324	=	679
9.	905	+	807	=	1.712
10.	989	+	482	=	1.471

Oefening 2
1.	788	+	275	=	1.063
2.	526	+	517	=	1.043
3.	804	+	254	=	1.058
4.	576	+	233	=	809
5.	668	+	492	=	1.160
6.	869	+	379	=	1.248
7.	930	+	632	=	1.562
8.	985	+	218	=	1.203
9.	998	+	852	=	1.850
10.	686	+	539	=	1.225

Oefening 3
1.	403	+	261	=	664
2.	801	+	384	=	1.185
3.	670	+	357	=	1.027
4.	291	+	262	=	553
5.	742	+	640	=	1.382
6.	881	+	855	=	1.736
7.	680	+	579	=	1.259
8.	822	+	444	=	1.266
9.	920	+	397	=	1.317
10.	860	+	680	=	1.540

Oefening 4
1.	691	+	499	=	1.190
2.	270	+	235	=	505
3.	699	+	521	=	1.220
4.	763	+	226	=	989
5.	923	+	888	=	1.811
6.	953	+	765	=	1.718
7.	868	+	835	=	1.703
8.	963	+	280	=	1.243
9.	931	+	879	=	1.810
10.	990	+	228	=	1.218