Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	583	+		=	1.057
2.	388	+		=	745
3.	738	+		=	1.013
4.	399	+		=	790
5.	952	+		=	1.534
6.	606	+		=	1.007
7.	510	+		=	763
8.	614	+		=	1.079
9.	626	+		=	867
10.	912	+		=	1.281

Oefening 2
1.	987	+		=	1.657
2.	264	+		=	480
3.	894	+		=	1.302
4.	870	+		=	1.223
5.	504	+		=	954
6.	737	+		=	1.237
7.	634	+		=	1.059
8.	971	+		=	1.899
9.	937	+		=	1.653
10.	621	+		=	1.172

Oefening 3
1.	856	+		=	1.233
2.	636	+		=	1.160
3.	782	+		=	1.023
4.	529	+		=	881
5.	532	+		=	1.060
6.	981	+		=	1.348
7.	860	+		=	1.198
8.	766	+		=	1.416
9.	962	+		=	1.893
10.	800	+		=	1.053

Oefening 4
1.	706	+		=	1.231
2.	521	+		=	924
3.	840	+		=	1.407
4.	583	+		=	1.072
5.	967	+		=	1.635
6.	939	+		=	1.366
7.	584	+		=	813
8.	993	+		=	1.451
9.	545	+		=	831
10.	986	+		=	1.740

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	583	+	474	=	1.057
2.	388	+	357	=	745
3.	738	+	275	=	1.013
4.	399	+	391	=	790
5.	952	+	582	=	1.534
6.	606	+	401	=	1.007
7.	510	+	253	=	763
8.	614	+	465	=	1.079
9.	626	+	241	=	867
10.	912	+	369	=	1.281

Oefening 2
1.	987	+	670	=	1.657
2.	264	+	216	=	480
3.	894	+	408	=	1.302
4.	870	+	353	=	1.223
5.	504	+	450	=	954
6.	737	+	500	=	1.237
7.	634	+	425	=	1.059
8.	971	+	928	=	1.899
9.	937	+	716	=	1.653
10.	621	+	551	=	1.172

Oefening 3
1.	856	+	377	=	1.233
2.	636	+	524	=	1.160
3.	782	+	241	=	1.023
4.	529	+	352	=	881
5.	532	+	528	=	1.060
6.	981	+	367	=	1.348
7.	860	+	338	=	1.198
8.	766	+	650	=	1.416
9.	962	+	931	=	1.893
10.	800	+	253	=	1.053

Oefening 4
1.	706	+	525	=	1.231
2.	521	+	403	=	924
3.	840	+	567	=	1.407
4.	583	+	489	=	1.072
5.	967	+	668	=	1.635
6.	939	+	427	=	1.366
7.	584	+	229	=	813
8.	993	+	458	=	1.451
9.	545	+	286	=	831
10.	986	+	754	=	1.740