Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	876	+		=	1.195
2.	409	+		=	707
3.	614	+		=	1.061
4.	722	+		=	1.091
5.	994	+		=	1.660
6.	850	+		=	1.405
7.	973	+		=	1.791
8.	581	+		=	1.161
9.	359	+		=	622
10.	718	+		=	1.278

Oefening 2
1.	909	+		=	1.656
2.	444	+		=	800
3.	810	+		=	1.171
4.	862	+		=	1.559
5.	914	+		=	1.257
6.	584	+		=	868
7.	660	+		=	1.177
8.	386	+		=	736
9.	764	+		=	1.036
10.	546	+		=	961

Oefening 3
1.	947	+		=	1.423
2.	488	+		=	878
3.	759	+		=	999
4.	910	+		=	1.455
5.	812	+		=	1.256
6.	907	+		=	1.180
7.	917	+		=	1.549
8.	641	+		=	894
9.	563	+		=	861
10.	684	+		=	905

Oefening 4
1.	686	+		=	1.331
2.	861	+		=	1.321
3.	467	+		=	760
4.	915	+		=	1.433
5.	882	+		=	1.213
6.	420	+		=	757
7.	761	+		=	1.116
8.	591	+		=	1.154
9.	540	+		=	790
10.	646	+		=	1.227

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	876	+	319	=	1.195
2.	409	+	298	=	707
3.	614	+	447	=	1.061
4.	722	+	369	=	1.091
5.	994	+	666	=	1.660
6.	850	+	555	=	1.405
7.	973	+	818	=	1.791
8.	581	+	580	=	1.161
9.	359	+	263	=	622
10.	718	+	560	=	1.278

Oefening 2
1.	909	+	747	=	1.656
2.	444	+	356	=	800
3.	810	+	361	=	1.171
4.	862	+	697	=	1.559
5.	914	+	343	=	1.257
6.	584	+	284	=	868
7.	660	+	517	=	1.177
8.	386	+	350	=	736
9.	764	+	272	=	1.036
10.	546	+	415	=	961

Oefening 3
1.	947	+	476	=	1.423
2.	488	+	390	=	878
3.	759	+	240	=	999
4.	910	+	545	=	1.455
5.	812	+	444	=	1.256
6.	907	+	273	=	1.180
7.	917	+	632	=	1.549
8.	641	+	253	=	894
9.	563	+	298	=	861
10.	684	+	221	=	905

Oefening 4
1.	686	+	645	=	1.331
2.	861	+	460	=	1.321
3.	467	+	293	=	760
4.	915	+	518	=	1.433
5.	882	+	331	=	1.213
6.	420	+	337	=	757
7.	761	+	355	=	1.116
8.	591	+	563	=	1.154
9.	540	+	250	=	790
10.	646	+	581	=	1.227