Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	619	+		=	1.162
2.	692	+		=	1.180
3.	879	+		=	1.303
4.	834	+		=	1.421
5.	884	+		=	1.306
6.	879	+		=	1.525
7.	877	+		=	1.658
8.	908	+		=	1.697
9.	492	+		=	713
10.	997	+		=	1.536

Oefening 2
1.	972	+		=	1.713
2.	463	+		=	719
3.	348	+		=	583
4.	778	+		=	1.095
5.	727	+		=	989
6.	500	+		=	854
7.	563	+		=	816
8.	314	+		=	607
9.	905	+		=	1.388
10.	882	+		=	1.632

Oefening 3
1.	797	+		=	1.135
2.	672	+		=	892
3.	937	+		=	1.530
4.	973	+		=	1.890
5.	969	+		=	1.266
6.	944	+		=	1.660
7.	731	+		=	1.112
8.	1.000	+		=	1.689
9.	883	+		=	1.209
10.	804	+		=	1.076

Oefening 4
1.	552	+		=	1.005
2.	990	+		=	1.949
3.	808	+		=	1.334
4.	846	+		=	1.473
5.	967	+		=	1.440
6.	700	+		=	1.315
7.	934	+		=	1.528
8.	778	+		=	1.189
9.	657	+		=	1.256
10.	801	+		=	1.249

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	619	+	543	=	1.162
2.	692	+	488	=	1.180
3.	879	+	424	=	1.303
4.	834	+	587	=	1.421
5.	884	+	422	=	1.306
6.	879	+	646	=	1.525
7.	877	+	781	=	1.658
8.	908	+	789	=	1.697
9.	492	+	221	=	713
10.	997	+	539	=	1.536

Oefening 2
1.	972	+	741	=	1.713
2.	463	+	256	=	719
3.	348	+	235	=	583
4.	778	+	317	=	1.095
5.	727	+	262	=	989
6.	500	+	354	=	854
7.	563	+	253	=	816
8.	314	+	293	=	607
9.	905	+	483	=	1.388
10.	882	+	750	=	1.632

Oefening 3
1.	797	+	338	=	1.135
2.	672	+	220	=	892
3.	937	+	593	=	1.530
4.	973	+	917	=	1.890
5.	969	+	297	=	1.266
6.	944	+	716	=	1.660
7.	731	+	381	=	1.112
8.	1.000	+	689	=	1.689
9.	883	+	326	=	1.209
10.	804	+	272	=	1.076

Oefening 4
1.	552	+	453	=	1.005
2.	990	+	959	=	1.949
3.	808	+	526	=	1.334
4.	846	+	627	=	1.473
5.	967	+	473	=	1.440
6.	700	+	615	=	1.315
7.	934	+	594	=	1.528
8.	778	+	411	=	1.189
9.	657	+	599	=	1.256
10.	801	+	448	=	1.249