Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	487	+		=	901
2.	772	+		=	1.160
3.	790	+		=	1.037
4.	400	+		=	660
5.	906	+		=	1.235
6.	500	+		=	709
7.	899	+		=	1.294
8.	838	+		=	1.480
9.	964	+		=	1.393
10.	755	+		=	980

Oefening 2
1.	591	+		=	1.156
2.	675	+		=	1.187
3.	400	+		=	653
4.	677	+		=	1.335
5.	696	+		=	1.276
6.	698	+		=	1.013
7.	984	+		=	1.630
8.	339	+		=	636
9.	997	+		=	1.633
10.	541	+		=	1.073

Oefening 3
1.	769	+		=	1.267
2.	873	+		=	1.578
3.	660	+		=	971
4.	691	+		=	987
5.	510	+		=	886
6.	664	+		=	1.291
7.	823	+		=	1.118
8.	913	+		=	1.504
9.	979	+		=	1.475
10.	607	+		=	1.205

Oefening 4
1.	710	+		=	1.414
2.	399	+		=	657
3.	396	+		=	596
4.	852	+		=	1.527
5.	904	+		=	1.129
6.	841	+		=	1.421
7.	743	+		=	1.279
8.	655	+		=	1.113
9.	750	+		=	1.307
10.	989	+		=	1.203

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	487	+	414	=	901
2.	772	+	388	=	1.160
3.	790	+	247	=	1.037
4.	400	+	260	=	660
5.	906	+	329	=	1.235
6.	500	+	209	=	709
7.	899	+	395	=	1.294
8.	838	+	642	=	1.480
9.	964	+	429	=	1.393
10.	755	+	225	=	980

Oefening 2
1.	591	+	565	=	1.156
2.	675	+	512	=	1.187
3.	400	+	253	=	653
4.	677	+	658	=	1.335
5.	696	+	580	=	1.276
6.	698	+	315	=	1.013
7.	984	+	646	=	1.630
8.	339	+	297	=	636
9.	997	+	636	=	1.633
10.	541	+	532	=	1.073

Oefening 3
1.	769	+	498	=	1.267
2.	873	+	705	=	1.578
3.	660	+	311	=	971
4.	691	+	296	=	987
5.	510	+	376	=	886
6.	664	+	627	=	1.291
7.	823	+	295	=	1.118
8.	913	+	591	=	1.504
9.	979	+	496	=	1.475
10.	607	+	598	=	1.205

Oefening 4
1.	710	+	704	=	1.414
2.	399	+	258	=	657
3.	396	+	200	=	596
4.	852	+	675	=	1.527
5.	904	+	225	=	1.129
6.	841	+	580	=	1.421
7.	743	+	536	=	1.279
8.	655	+	458	=	1.113
9.	750	+	557	=	1.307
10.	989	+	214	=	1.203