Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	701	+		=	920
2.	973	+		=	1.518
3.	940	+		=	1.199
4.	425	+		=	830
5.	743	+		=	1.158
6.	741	+		=	1.233
7.	576	+		=	1.010
8.	718	+		=	1.139
9.	705	+		=	1.198
10.	807	+		=	1.212

Oefening 2
1.	349	+		=	697
2.	663	+		=	938
3.	663	+		=	1.149
4.	770	+		=	1.060
5.	937	+		=	1.650
6.	524	+		=	812
7.	762	+		=	1.289
8.	648	+		=	1.070
9.	339	+		=	639
10.	849	+		=	1.354

Oefening 3
1.	623	+		=	939
2.	964	+		=	1.536
3.	801	+		=	1.245
4.	920	+		=	1.242
5.	601	+		=	940
6.	656	+		=	1.302
7.	365	+		=	645
8.	695	+		=	1.362
9.	554	+		=	1.076
10.	665	+		=	1.008

Oefening 4
1.	913	+		=	1.787
2.	976	+		=	1.527
3.	524	+		=	1.040
4.	903	+		=	1.512
5.	958	+		=	1.892
6.	755	+		=	1.181
7.	825	+		=	1.043
8.	609	+		=	908
9.	880	+		=	1.438
10.	988	+		=	1.437

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	701	+	219	=	920
2.	973	+	545	=	1.518
3.	940	+	259	=	1.199
4.	425	+	405	=	830
5.	743	+	415	=	1.158
6.	741	+	492	=	1.233
7.	576	+	434	=	1.010
8.	718	+	421	=	1.139
9.	705	+	493	=	1.198
10.	807	+	405	=	1.212

Oefening 2
1.	349	+	348	=	697
2.	663	+	275	=	938
3.	663	+	486	=	1.149
4.	770	+	290	=	1.060
5.	937	+	713	=	1.650
6.	524	+	288	=	812
7.	762	+	527	=	1.289
8.	648	+	422	=	1.070
9.	339	+	300	=	639
10.	849	+	505	=	1.354

Oefening 3
1.	623	+	316	=	939
2.	964	+	572	=	1.536
3.	801	+	444	=	1.245
4.	920	+	322	=	1.242
5.	601	+	339	=	940
6.	656	+	646	=	1.302
7.	365	+	280	=	645
8.	695	+	667	=	1.362
9.	554	+	522	=	1.076
10.	665	+	343	=	1.008

Oefening 4
1.	913	+	874	=	1.787
2.	976	+	551	=	1.527
3.	524	+	516	=	1.040
4.	903	+	609	=	1.512
5.	958	+	934	=	1.892
6.	755	+	426	=	1.181
7.	825	+	218	=	1.043
8.	609	+	299	=	908
9.	880	+	558	=	1.438
10.	988	+	449	=	1.437