Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	777	+		=	1.056
2.	804	+		=	1.297
3.	873	+		=	1.440
4.	438	+		=	831
5.	360	+		=	698
6.	849	+		=	1.247
7.	609	+		=	1.165
8.	440	+		=	698
9.	709	+		=	1.364
10.	445	+		=	694

Oefening 2
1.	818	+		=	1.142
2.	482	+		=	914
3.	899	+		=	1.778
4.	798	+		=	1.395
5.	694	+		=	1.237
6.	924	+		=	1.584
7.	563	+		=	858
8.	561	+		=	910
9.	817	+		=	1.229
10.	911	+		=	1.332

Oefening 3
1.	992	+		=	1.270
2.	655	+		=	1.264
3.	671	+		=	1.141
4.	733	+		=	1.278
5.	551	+		=	864
6.	837	+		=	1.673
7.	406	+		=	789
8.	976	+		=	1.244
9.	495	+		=	771
10.	910	+		=	1.350

Oefening 4
1.	631	+		=	1.123
2.	696	+		=	930
3.	824	+		=	1.430
4.	443	+		=	747
5.	921	+		=	1.642
6.	436	+		=	836
7.	921	+		=	1.597
8.	872	+		=	1.612
9.	997	+		=	1.577
10.	678	+		=	948

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	777	+	279	=	1.056
2.	804	+	493	=	1.297
3.	873	+	567	=	1.440
4.	438	+	393	=	831
5.	360	+	338	=	698
6.	849	+	398	=	1.247
7.	609	+	556	=	1.165
8.	440	+	258	=	698
9.	709	+	655	=	1.364
10.	445	+	249	=	694

Oefening 2
1.	818	+	324	=	1.142
2.	482	+	432	=	914
3.	899	+	879	=	1.778
4.	798	+	597	=	1.395
5.	694	+	543	=	1.237
6.	924	+	660	=	1.584
7.	563	+	295	=	858
8.	561	+	349	=	910
9.	817	+	412	=	1.229
10.	911	+	421	=	1.332

Oefening 3
1.	992	+	278	=	1.270
2.	655	+	609	=	1.264
3.	671	+	470	=	1.141
4.	733	+	545	=	1.278
5.	551	+	313	=	864
6.	837	+	836	=	1.673
7.	406	+	383	=	789
8.	976	+	268	=	1.244
9.	495	+	276	=	771
10.	910	+	440	=	1.350

Oefening 4
1.	631	+	492	=	1.123
2.	696	+	234	=	930
3.	824	+	606	=	1.430
4.	443	+	304	=	747
5.	921	+	721	=	1.642
6.	436	+	400	=	836
7.	921	+	676	=	1.597
8.	872	+	740	=	1.612
9.	997	+	580	=	1.577
10.	678	+	270	=	948