Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	548	+		=	859
2.	790	+		=	1.030
3.	660	+		=	1.103
4.	943	+		=	1.791
5.	459	+		=	785
6.	947	+		=	1.859
7.	618	+		=	963
8.	853	+		=	1.616
9.	369	+		=	716
10.	584	+		=	1.007

Oefening 2
1.	522	+		=	787
2.	672	+		=	964
3.	955	+		=	1.515
4.	337	+		=	672
5.	667	+		=	1.114
6.	880	+		=	1.441
7.	972	+		=	1.406
8.	386	+		=	660
9.	239	+		=	454
10.	462	+		=	787

Oefening 3
1.	972	+		=	1.336
2.	898	+		=	1.309
3.	892	+		=	1.123
4.	822	+		=	1.248
5.	555	+		=	1.082
6.	897	+		=	1.596
7.	486	+		=	732
8.	869	+		=	1.619
9.	983	+		=	1.860
10.	890	+		=	1.129

Oefening 4
1.	985	+		=	1.748
2.	356	+		=	676
3.	649	+		=	905
4.	765	+		=	1.081
5.	949	+		=	1.693
6.	632	+		=	861
7.	998	+		=	1.488
8.	765	+		=	1.012
9.	507	+		=	717
10.	686	+		=	934

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	548	+	311	=	859
2.	790	+	240	=	1.030
3.	660	+	443	=	1.103
4.	943	+	848	=	1.791
5.	459	+	326	=	785
6.	947	+	912	=	1.859
7.	618	+	345	=	963
8.	853	+	763	=	1.616
9.	369	+	347	=	716
10.	584	+	423	=	1.007

Oefening 2
1.	522	+	265	=	787
2.	672	+	292	=	964
3.	955	+	560	=	1.515
4.	337	+	335	=	672
5.	667	+	447	=	1.114
6.	880	+	561	=	1.441
7.	972	+	434	=	1.406
8.	386	+	274	=	660
9.	239	+	215	=	454
10.	462	+	325	=	787

Oefening 3
1.	972	+	364	=	1.336
2.	898	+	411	=	1.309
3.	892	+	231	=	1.123
4.	822	+	426	=	1.248
5.	555	+	527	=	1.082
6.	897	+	699	=	1.596
7.	486	+	246	=	732
8.	869	+	750	=	1.619
9.	983	+	877	=	1.860
10.	890	+	239	=	1.129

Oefening 4
1.	985	+	763	=	1.748
2.	356	+	320	=	676
3.	649	+	256	=	905
4.	765	+	316	=	1.081
5.	949	+	744	=	1.693
6.	632	+	229	=	861
7.	998	+	490	=	1.488
8.	765	+	247	=	1.012
9.	507	+	210	=	717
10.	686	+	248	=	934