Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	642	+		=	992
2.	979	+		=	1.377
3.	697	+		=	992
4.	748	+		=	1.373
5.	342	+		=	656
6.	641	+		=	1.180
7.	757	+		=	1.197
8.	876	+		=	1.551
9.	685	+		=	975
10.	590	+		=	922

Oefening 2
1.	686	+		=	1.121
2.	914	+		=	1.296
3.	894	+		=	1.688
4.	728	+		=	1.006
5.	915	+		=	1.126
6.	544	+		=	1.071
7.	968	+		=	1.811
8.	614	+		=	1.053
9.	867	+		=	1.146
10.	661	+		=	1.320

Oefening 3
1.	968	+		=	1.240
2.	701	+		=	1.137
3.	852	+		=	1.550
4.	895	+		=	1.438
5.	998	+		=	1.945
6.	892	+		=	1.694
7.	756	+		=	1.358
8.	399	+		=	654
9.	979	+		=	1.630
10.	641	+		=	1.167

Oefening 4
1.	952	+		=	1.279
2.	946	+		=	1.793
3.	914	+		=	1.777
4.	812	+		=	1.235
5.	772	+		=	1.480
6.	993	+		=	1.844
7.	600	+		=	997
8.	773	+		=	1.301
9.	968	+		=	1.542
10.	957	+		=	1.683

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	642	+	350	=	992
2.	979	+	398	=	1.377
3.	697	+	295	=	992
4.	748	+	625	=	1.373
5.	342	+	314	=	656
6.	641	+	539	=	1.180
7.	757	+	440	=	1.197
8.	876	+	675	=	1.551
9.	685	+	290	=	975
10.	590	+	332	=	922

Oefening 2
1.	686	+	435	=	1.121
2.	914	+	382	=	1.296
3.	894	+	794	=	1.688
4.	728	+	278	=	1.006
5.	915	+	211	=	1.126
6.	544	+	527	=	1.071
7.	968	+	843	=	1.811
8.	614	+	439	=	1.053
9.	867	+	279	=	1.146
10.	661	+	659	=	1.320

Oefening 3
1.	968	+	272	=	1.240
2.	701	+	436	=	1.137
3.	852	+	698	=	1.550
4.	895	+	543	=	1.438
5.	998	+	947	=	1.945
6.	892	+	802	=	1.694
7.	756	+	602	=	1.358
8.	399	+	255	=	654
9.	979	+	651	=	1.630
10.	641	+	526	=	1.167

Oefening 4
1.	952	+	327	=	1.279
2.	946	+	847	=	1.793
3.	914	+	863	=	1.777
4.	812	+	423	=	1.235
5.	772	+	708	=	1.480
6.	993	+	851	=	1.844
7.	600	+	397	=	997
8.	773	+	528	=	1.301
9.	968	+	574	=	1.542
10.	957	+	726	=	1.683