Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	897	+		=	1.226
2.	612	+		=	942
3.	822	+		=	1.364
4.	570	+		=	905
5.	941	+		=	1.434
6.	911	+		=	1.436
7.	753	+		=	1.005
8.	414	+		=	694
9.	812	+		=	1.015
10.	650	+		=	1.187

Oefening 2
1.	447	+		=	707
2.	863	+		=	1.454
3.	493	+		=	965
4.	981	+		=	1.583
5.	581	+		=	839
6.	625	+		=	842
7.	917	+		=	1.282
8.	298	+		=	500
9.	708	+		=	1.001
10.	884	+		=	1.716

Oefening 3
1.	862	+		=	1.302
2.	670	+		=	1.136
3.	660	+		=	958
4.	453	+		=	833
5.	563	+		=	847
6.	820	+		=	1.403
7.	814	+		=	1.534
8.	613	+		=	1.217
9.	925	+		=	1.498
10.	742	+		=	1.184

Oefening 4
1.	645	+		=	1.281
2.	857	+		=	1.591
3.	352	+		=	624
4.	738	+		=	1.196
5.	885	+		=	1.600
6.	863	+		=	1.592
7.	939	+		=	1.767
8.	794	+		=	1.431
9.	880	+		=	1.707
10.	918	+		=	1.766

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	897	+	329	=	1.226
2.	612	+	330	=	942
3.	822	+	542	=	1.364
4.	570	+	335	=	905
5.	941	+	493	=	1.434
6.	911	+	525	=	1.436
7.	753	+	252	=	1.005
8.	414	+	280	=	694
9.	812	+	203	=	1.015
10.	650	+	537	=	1.187

Oefening 2
1.	447	+	260	=	707
2.	863	+	591	=	1.454
3.	493	+	472	=	965
4.	981	+	602	=	1.583
5.	581	+	258	=	839
6.	625	+	217	=	842
7.	917	+	365	=	1.282
8.	298	+	202	=	500
9.	708	+	293	=	1.001
10.	884	+	832	=	1.716

Oefening 3
1.	862	+	440	=	1.302
2.	670	+	466	=	1.136
3.	660	+	298	=	958
4.	453	+	380	=	833
5.	563	+	284	=	847
6.	820	+	583	=	1.403
7.	814	+	720	=	1.534
8.	613	+	604	=	1.217
9.	925	+	573	=	1.498
10.	742	+	442	=	1.184

Oefening 4
1.	645	+	636	=	1.281
2.	857	+	734	=	1.591
3.	352	+	272	=	624
4.	738	+	458	=	1.196
5.	885	+	715	=	1.600
6.	863	+	729	=	1.592
7.	939	+	828	=	1.767
8.	794	+	637	=	1.431
9.	880	+	827	=	1.707
10.	918	+	848	=	1.766