Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	587	+		=	1.152
2.	859	+		=	1.467
3.	799	+		=	1.514
4.	580	+		=	808
5.	734	+		=	1.407
6.	993	+		=	1.803
7.	992	+		=	1.949
8.	918	+		=	1.466
9.	537	+		=	1.054
10.	890	+		=	1.468

Oefening 2
1.	889	+		=	1.674
2.	615	+		=	1.093
3.	591	+		=	935
4.	409	+		=	787
5.	747	+		=	1.193
6.	548	+		=	1.059
7.	398	+		=	667
8.	863	+		=	1.156
9.	849	+		=	1.108
10.	889	+		=	1.684

Oefening 3
1.	690	+		=	932
2.	857	+		=	1.543
3.	800	+		=	1.115
4.	817	+		=	1.294
5.	544	+		=	1.034
6.	941	+		=	1.155
7.	750	+		=	1.433
8.	512	+		=	814
9.	976	+		=	1.274
10.	743	+		=	1.339

Oefening 4
1.	571	+		=	805
2.	705	+		=	1.371
3.	862	+		=	1.229
4.	450	+		=	690
5.	851	+		=	1.364
6.	485	+		=	831
7.	841	+		=	1.603
8.	837	+		=	1.222
9.	422	+		=	778
10.	387	+		=	763

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	587	+	565	=	1.152
2.	859	+	608	=	1.467
3.	799	+	715	=	1.514
4.	580	+	228	=	808
5.	734	+	673	=	1.407
6.	993	+	810	=	1.803
7.	992	+	957	=	1.949
8.	918	+	548	=	1.466
9.	537	+	517	=	1.054
10.	890	+	578	=	1.468

Oefening 2
1.	889	+	785	=	1.674
2.	615	+	478	=	1.093
3.	591	+	344	=	935
4.	409	+	378	=	787
5.	747	+	446	=	1.193
6.	548	+	511	=	1.059
7.	398	+	269	=	667
8.	863	+	293	=	1.156
9.	849	+	259	=	1.108
10.	889	+	795	=	1.684

Oefening 3
1.	690	+	242	=	932
2.	857	+	686	=	1.543
3.	800	+	315	=	1.115
4.	817	+	477	=	1.294
5.	544	+	490	=	1.034
6.	941	+	214	=	1.155
7.	750	+	683	=	1.433
8.	512	+	302	=	814
9.	976	+	298	=	1.274
10.	743	+	596	=	1.339

Oefening 4
1.	571	+	234	=	805
2.	705	+	666	=	1.371
3.	862	+	367	=	1.229
4.	450	+	240	=	690
5.	851	+	513	=	1.364
6.	485	+	346	=	831
7.	841	+	762	=	1.603
8.	837	+	385	=	1.222
9.	422	+	356	=	778
10.	387	+	376	=	763