Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	939	+		=	1.193
2.	661	+		=	900
3.	580	+		=	1.108
4.	900	+		=	1.593
5.	393	+		=	767
6.	998	+		=	1.803
7.	899	+		=	1.774
8.	430	+		=	698
9.	589	+		=	966
10.	726	+		=	1.127

Oefening 2
1.	989	+		=	1.359
2.	851	+		=	1.598
3.	833	+		=	1.118
4.	787	+		=	1.223
5.	732	+		=	1.109
6.	614	+		=	1.124
7.	902	+		=	1.171
8.	660	+		=	1.266
9.	544	+		=	953
10.	734	+		=	1.203

Oefening 3
1.	373	+		=	678
2.	734	+		=	1.033
3.	814	+		=	1.080
4.	997	+		=	1.740
5.	999	+		=	1.297
6.	519	+		=	771
7.	890	+		=	1.677
8.	588	+		=	1.145
9.	981	+		=	1.418
10.	719	+		=	1.155

Oefening 4
1.	644	+		=	1.200
2.	830	+		=	1.060
3.	535	+		=	955
4.	932	+		=	1.205
5.	522	+		=	880
6.	411	+		=	781
7.	660	+		=	932
8.	549	+		=	880
9.	565	+		=	780
10.	864	+		=	1.527

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	939	+	254	=	1.193
2.	661	+	239	=	900
3.	580	+	528	=	1.108
4.	900	+	693	=	1.593
5.	393	+	374	=	767
6.	998	+	805	=	1.803
7.	899	+	875	=	1.774
8.	430	+	268	=	698
9.	589	+	377	=	966
10.	726	+	401	=	1.127

Oefening 2
1.	989	+	370	=	1.359
2.	851	+	747	=	1.598
3.	833	+	285	=	1.118
4.	787	+	436	=	1.223
5.	732	+	377	=	1.109
6.	614	+	510	=	1.124
7.	902	+	269	=	1.171
8.	660	+	606	=	1.266
9.	544	+	409	=	953
10.	734	+	469	=	1.203

Oefening 3
1.	373	+	305	=	678
2.	734	+	299	=	1.033
3.	814	+	266	=	1.080
4.	997	+	743	=	1.740
5.	999	+	298	=	1.297
6.	519	+	252	=	771
7.	890	+	787	=	1.677
8.	588	+	557	=	1.145
9.	981	+	437	=	1.418
10.	719	+	436	=	1.155

Oefening 4
1.	644	+	556	=	1.200
2.	830	+	230	=	1.060
3.	535	+	420	=	955
4.	932	+	273	=	1.205
5.	522	+	358	=	880
6.	411	+	370	=	781
7.	660	+	272	=	932
8.	549	+	331	=	880
9.	565	+	215	=	780
10.	864	+	663	=	1.527