Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	932	+		=	1.799
2.	693	+		=	1.082
3.	868	+		=	1.178
4.	565	+		=	785
5.	961	+		=	1.291
6.	727	+		=	1.208
7.	417	+		=	649
8.	590	+		=	1.094
9.	797	+		=	1.017
10.	800	+		=	1.262

Oefening 2
1.	990	+		=	1.296
2.	590	+		=	820
3.	472	+		=	751
4.	558	+		=	1.070
5.	743	+		=	1.338
6.	620	+		=	1.179
7.	898	+		=	1.707
8.	959	+		=	1.627
9.	835	+		=	1.439
10.	486	+		=	961

Oefening 3
1.	874	+		=	1.419
2.	978	+		=	1.683
3.	595	+		=	817
4.	683	+		=	1.193
5.	838	+		=	1.662
6.	326	+		=	526
7.	374	+		=	673
8.	712	+		=	1.349
9.	676	+		=	1.108
10.	969	+		=	1.665

Oefening 4
1.	820	+		=	1.299
2.	924	+		=	1.425
3.	745	+		=	1.132
4.	927	+		=	1.424
5.	467	+		=	878
6.	839	+		=	1.504
7.	408	+		=	715
8.	817	+		=	1.127
9.	666	+		=	1.060
10.	990	+		=	1.275

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	932	+	867	=	1.799
2.	693	+	389	=	1.082
3.	868	+	310	=	1.178
4.	565	+	220	=	785
5.	961	+	330	=	1.291
6.	727	+	481	=	1.208
7.	417	+	232	=	649
8.	590	+	504	=	1.094
9.	797	+	220	=	1.017
10.	800	+	462	=	1.262

Oefening 2
1.	990	+	306	=	1.296
2.	590	+	230	=	820
3.	472	+	279	=	751
4.	558	+	512	=	1.070
5.	743	+	595	=	1.338
6.	620	+	559	=	1.179
7.	898	+	809	=	1.707
8.	959	+	668	=	1.627
9.	835	+	604	=	1.439
10.	486	+	475	=	961

Oefening 3
1.	874	+	545	=	1.419
2.	978	+	705	=	1.683
3.	595	+	222	=	817
4.	683	+	510	=	1.193
5.	838	+	824	=	1.662
6.	326	+	200	=	526
7.	374	+	299	=	673
8.	712	+	637	=	1.349
9.	676	+	432	=	1.108
10.	969	+	696	=	1.665

Oefening 4
1.	820	+	479	=	1.299
2.	924	+	501	=	1.425
3.	745	+	387	=	1.132
4.	927	+	497	=	1.424
5.	467	+	411	=	878
6.	839	+	665	=	1.504
7.	408	+	307	=	715
8.	817	+	310	=	1.127
9.	666	+	394	=	1.060
10.	990	+	285	=	1.275