Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	671	+		=	979
2.	702	+		=	931
3.	573	+		=	911
4.	913	+		=	1.811
5.	946	+		=	1.216
6.	625	+		=	1.017
7.	328	+		=	641
8.	727	+		=	1.374
9.	891	+		=	1.504
10.	796	+		=	1.292

Oefening 2
1.	783	+		=	1.388
2.	410	+		=	781
3.	906	+		=	1.452
4.	822	+		=	1.557
5.	632	+		=	1.261
6.	757	+		=	1.420
7.	658	+		=	902
8.	337	+		=	610
9.	311	+		=	592
10.	843	+		=	1.095

Oefening 3
1.	703	+		=	1.285
2.	983	+		=	1.230
3.	823	+		=	1.608
4.	678	+		=	1.012
5.	604	+		=	844
6.	840	+		=	1.176
7.	866	+		=	1.390
8.	655	+		=	905
9.	696	+		=	1.108
10.	968	+		=	1.714

Oefening 4
1.	861	+		=	1.397
2.	674	+		=	914
3.	550	+		=	1.036
4.	774	+		=	1.281
5.	643	+		=	914
6.	870	+		=	1.473
7.	809	+		=	1.019
8.	914	+		=	1.656
9.	952	+		=	1.758
10.	558	+		=	1.034

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	671	+	308	=	979
2.	702	+	229	=	931
3.	573	+	338	=	911
4.	913	+	898	=	1.811
5.	946	+	270	=	1.216
6.	625	+	392	=	1.017
7.	328	+	313	=	641
8.	727	+	647	=	1.374
9.	891	+	613	=	1.504
10.	796	+	496	=	1.292

Oefening 2
1.	783	+	605	=	1.388
2.	410	+	371	=	781
3.	906	+	546	=	1.452
4.	822	+	735	=	1.557
5.	632	+	629	=	1.261
6.	757	+	663	=	1.420
7.	658	+	244	=	902
8.	337	+	273	=	610
9.	311	+	281	=	592
10.	843	+	252	=	1.095

Oefening 3
1.	703	+	582	=	1.285
2.	983	+	247	=	1.230
3.	823	+	785	=	1.608
4.	678	+	334	=	1.012
5.	604	+	240	=	844
6.	840	+	336	=	1.176
7.	866	+	524	=	1.390
8.	655	+	250	=	905
9.	696	+	412	=	1.108
10.	968	+	746	=	1.714

Oefening 4
1.	861	+	536	=	1.397
2.	674	+	240	=	914
3.	550	+	486	=	1.036
4.	774	+	507	=	1.281
5.	643	+	271	=	914
6.	870	+	603	=	1.473
7.	809	+	210	=	1.019
8.	914	+	742	=	1.656
9.	952	+	806	=	1.758
10.	558	+	476	=	1.034