Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	717	+		=	1.378
2.	798	+		=	1.002
3.	347	+		=	621
4.	984	+		=	1.217
5.	509	+		=	1.000
6.	634	+		=	873
7.	384	+		=	683
8.	458	+		=	770
9.	776	+		=	1.424
10.	785	+		=	1.100

Oefening 2
1.	885	+		=	1.712
2.	685	+		=	1.121
3.	598	+		=	1.100
4.	412	+		=	658
5.	950	+		=	1.339
6.	841	+		=	1.524
7.	889	+		=	1.090
8.	583	+		=	1.063
9.	695	+		=	1.222
10.	486	+		=	848

Oefening 3
1.	890	+		=	1.190
2.	626	+		=	1.040
3.	770	+		=	1.530
4.	351	+		=	692
5.	502	+		=	861
6.	773	+		=	1.278
7.	657	+		=	1.175
8.	997	+		=	1.536
9.	421	+		=	827
10.	990	+		=	1.938

Oefening 4
1.	817	+		=	1.463
2.	482	+		=	774
3.	935	+		=	1.390
4.	366	+		=	615
5.	817	+		=	1.600
6.	621	+		=	906
7.	774	+		=	1.093
8.	871	+		=	1.217
9.	883	+		=	1.195
10.	768	+		=	1.172

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	717	+	661	=	1.378
2.	798	+	204	=	1.002
3.	347	+	274	=	621
4.	984	+	233	=	1.217
5.	509	+	491	=	1.000
6.	634	+	239	=	873
7.	384	+	299	=	683
8.	458	+	312	=	770
9.	776	+	648	=	1.424
10.	785	+	315	=	1.100

Oefening 2
1.	885	+	827	=	1.712
2.	685	+	436	=	1.121
3.	598	+	502	=	1.100
4.	412	+	246	=	658
5.	950	+	389	=	1.339
6.	841	+	683	=	1.524
7.	889	+	201	=	1.090
8.	583	+	480	=	1.063
9.	695	+	527	=	1.222
10.	486	+	362	=	848

Oefening 3
1.	890	+	300	=	1.190
2.	626	+	414	=	1.040
3.	770	+	760	=	1.530
4.	351	+	341	=	692
5.	502	+	359	=	861
6.	773	+	505	=	1.278
7.	657	+	518	=	1.175
8.	997	+	539	=	1.536
9.	421	+	406	=	827
10.	990	+	948	=	1.938

Oefening 4
1.	817	+	646	=	1.463
2.	482	+	292	=	774
3.	935	+	455	=	1.390
4.	366	+	249	=	615
5.	817	+	783	=	1.600
6.	621	+	285	=	906
7.	774	+	319	=	1.093
8.	871	+	346	=	1.217
9.	883	+	312	=	1.195
10.	768	+	404	=	1.172