Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	962	+		=	1.591
2.	932	+		=	1.739
3.	341	+		=	596
4.	948	+		=	1.183
5.	726	+		=	1.105
6.	492	+		=	970
7.	912	+		=	1.708
8.	335	+		=	662
9.	905	+		=	1.546
10.	441	+		=	857

Oefening 2
1.	405	+		=	664
2.	507	+		=	836
3.	933	+		=	1.639
4.	539	+		=	797
5.	860	+		=	1.315
6.	636	+		=	1.162
7.	631	+		=	1.093
8.	825	+		=	1.420
9.	876	+		=	1.622
10.	536	+		=	1.006

Oefening 3
1.	641	+		=	1.258
2.	845	+		=	1.360
3.	756	+		=	1.088
4.	951	+		=	1.836
5.	836	+		=	1.661
6.	936	+		=	1.286
7.	932	+		=	1.532
8.	670	+		=	1.297
9.	454	+		=	891
10.	498	+		=	880

Oefening 4
1.	725	+		=	934
2.	807	+		=	1.293
3.	781	+		=	1.205
4.	865	+		=	1.435
5.	997	+		=	1.882
6.	781	+		=	1.063
7.	969	+		=	1.404
8.	850	+		=	1.219
9.	335	+		=	557
10.	561	+		=	934

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	962	+	629	=	1.591
2.	932	+	807	=	1.739
3.	341	+	255	=	596
4.	948	+	235	=	1.183
5.	726	+	379	=	1.105
6.	492	+	478	=	970
7.	912	+	796	=	1.708
8.	335	+	327	=	662
9.	905	+	641	=	1.546
10.	441	+	416	=	857

Oefening 2
1.	405	+	259	=	664
2.	507	+	329	=	836
3.	933	+	706	=	1.639
4.	539	+	258	=	797
5.	860	+	455	=	1.315
6.	636	+	526	=	1.162
7.	631	+	462	=	1.093
8.	825	+	595	=	1.420
9.	876	+	746	=	1.622
10.	536	+	470	=	1.006

Oefening 3
1.	641	+	617	=	1.258
2.	845	+	515	=	1.360
3.	756	+	332	=	1.088
4.	951	+	885	=	1.836
5.	836	+	825	=	1.661
6.	936	+	350	=	1.286
7.	932	+	600	=	1.532
8.	670	+	627	=	1.297
9.	454	+	437	=	891
10.	498	+	382	=	880

Oefening 4
1.	725	+	209	=	934
2.	807	+	486	=	1.293
3.	781	+	424	=	1.205
4.	865	+	570	=	1.435
5.	997	+	885	=	1.882
6.	781	+	282	=	1.063
7.	969	+	435	=	1.404
8.	850	+	369	=	1.219
9.	335	+	222	=	557
10.	561	+	373	=	934