Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	885	+		=	1.206
2.	723	+		=	1.117
3.	670	+		=	1.160
4.	921	+		=	1.758
5.	382	+		=	758
6.	485	+		=	925
7.	770	+		=	1.252
8.	764	+		=	1.244
9.	878	+		=	1.359
10.	528	+		=	729

Oefening 2
1.	899	+		=	1.367
2.	782	+		=	1.050
3.	402	+		=	662
4.	569	+		=	980
5.	483	+		=	889
6.	404	+		=	693
7.	802	+		=	1.249
8.	816	+		=	1.028
9.	521	+		=	985
10.	397	+		=	739

Oefening 3
1.	946	+		=	1.874
2.	642	+		=	1.233
3.	676	+		=	888
4.	873	+		=	1.102
5.	578	+		=	992
6.	597	+		=	1.097
7.	611	+		=	1.062
8.	735	+		=	1.361
9.	774	+		=	1.010
10.	911	+		=	1.794

Oefening 4
1.	725	+		=	1.032
2.	287	+		=	510
3.	280	+		=	500
4.	679	+		=	1.105
5.	472	+		=	823
6.	601	+		=	966
7.	583	+		=	1.078
8.	958	+		=	1.277
9.	990	+		=	1.641
10.	569	+		=	967

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	885	+	321	=	1.206
2.	723	+	394	=	1.117
3.	670	+	490	=	1.160
4.	921	+	837	=	1.758
5.	382	+	376	=	758
6.	485	+	440	=	925
7.	770	+	482	=	1.252
8.	764	+	480	=	1.244
9.	878	+	481	=	1.359
10.	528	+	201	=	729

Oefening 2
1.	899	+	468	=	1.367
2.	782	+	268	=	1.050
3.	402	+	260	=	662
4.	569	+	411	=	980
5.	483	+	406	=	889
6.	404	+	289	=	693
7.	802	+	447	=	1.249
8.	816	+	212	=	1.028
9.	521	+	464	=	985
10.	397	+	342	=	739

Oefening 3
1.	946	+	928	=	1.874
2.	642	+	591	=	1.233
3.	676	+	212	=	888
4.	873	+	229	=	1.102
5.	578	+	414	=	992
6.	597	+	500	=	1.097
7.	611	+	451	=	1.062
8.	735	+	626	=	1.361
9.	774	+	236	=	1.010
10.	911	+	883	=	1.794

Oefening 4
1.	725	+	307	=	1.032
2.	287	+	223	=	510
3.	280	+	220	=	500
4.	679	+	426	=	1.105
5.	472	+	351	=	823
6.	601	+	365	=	966
7.	583	+	495	=	1.078
8.	958	+	319	=	1.277
9.	990	+	651	=	1.641
10.	569	+	398	=	967