Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	561	+		=	1.073
2.	661	+		=	953
3.	975	+		=	1.197
4.	740	+		=	1.341
5.	568	+		=	1.126
6.	968	+		=	1.687
7.	426	+		=	651
8.	843	+		=	1.506
9.	851	+		=	1.294
10.	845	+		=	1.177

Oefening 2
1.	614	+		=	910
2.	702	+		=	1.162
3.	715	+		=	1.386
4.	622	+		=	1.150
5.	931	+		=	1.595
6.	885	+		=	1.688
7.	973	+		=	1.323
8.	682	+		=	1.195
9.	873	+		=	1.656
10.	968	+		=	1.389

Oefening 3
1.	532	+		=	744
2.	946	+		=	1.158
3.	458	+		=	784
4.	474	+		=	863
5.	941	+		=	1.184
6.	543	+		=	819
7.	774	+		=	1.266
8.	790	+		=	1.100
9.	752	+		=	1.005
10.	974	+		=	1.858

Oefening 4
1.	632	+		=	1.088
2.	673	+		=	1.274
3.	909	+		=	1.247
4.	763	+		=	1.480
5.	978	+		=	1.600
6.	262	+		=	516
7.	410	+		=	681
8.	920	+		=	1.270
9.	789	+		=	1.081
10.	882	+		=	1.083

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	561	+	512	=	1.073
2.	661	+	292	=	953
3.	975	+	222	=	1.197
4.	740	+	601	=	1.341
5.	568	+	558	=	1.126
6.	968	+	719	=	1.687
7.	426	+	225	=	651
8.	843	+	663	=	1.506
9.	851	+	443	=	1.294
10.	845	+	332	=	1.177

Oefening 2
1.	614	+	296	=	910
2.	702	+	460	=	1.162
3.	715	+	671	=	1.386
4.	622	+	528	=	1.150
5.	931	+	664	=	1.595
6.	885	+	803	=	1.688
7.	973	+	350	=	1.323
8.	682	+	513	=	1.195
9.	873	+	783	=	1.656
10.	968	+	421	=	1.389

Oefening 3
1.	532	+	212	=	744
2.	946	+	212	=	1.158
3.	458	+	326	=	784
4.	474	+	389	=	863
5.	941	+	243	=	1.184
6.	543	+	276	=	819
7.	774	+	492	=	1.266
8.	790	+	310	=	1.100
9.	752	+	253	=	1.005
10.	974	+	884	=	1.858

Oefening 4
1.	632	+	456	=	1.088
2.	673	+	601	=	1.274
3.	909	+	338	=	1.247
4.	763	+	717	=	1.480
5.	978	+	622	=	1.600
6.	262	+	254	=	516
7.	410	+	271	=	681
8.	920	+	350	=	1.270
9.	789	+	292	=	1.081
10.	882	+	201	=	1.083