Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	655	+		=	1.268
2.	835	+		=	1.629
3.	459	+		=	677
4.	806	+		=	1.328
5.	994	+		=	1.969
6.	706	+		=	1.002
7.	794	+		=	1.091
8.	376	+		=	724
9.	901	+		=	1.630
10.	434	+		=	820

Oefening 2
1.	849	+		=	1.672
2.	258	+		=	508
3.	684	+		=	1.226
4.	995	+		=	1.761
5.	769	+		=	1.132
6.	915	+		=	1.429
7.	736	+		=	1.447
8.	345	+		=	553
9.	852	+		=	1.588
10.	762	+		=	979

Oefening 3
1.	980	+		=	1.196
2.	621	+		=	921
3.	899	+		=	1.260
4.	553	+		=	835
5.	595	+		=	1.125
6.	721	+		=	955
7.	718	+		=	1.402
8.	850	+		=	1.461
9.	832	+		=	1.648
10.	888	+		=	1.611

Oefening 4
1.	459	+		=	872
2.	873	+		=	1.126
3.	262	+		=	489
4.	583	+		=	793
5.	702	+		=	1.243
6.	945	+		=	1.802
7.	772	+		=	1.349
8.	889	+		=	1.253
9.	708	+		=	1.365
10.	608	+		=	872

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	655	+	613	=	1.268
2.	835	+	794	=	1.629
3.	459	+	218	=	677
4.	806	+	522	=	1.328
5.	994	+	975	=	1.969
6.	706	+	296	=	1.002
7.	794	+	297	=	1.091
8.	376	+	348	=	724
9.	901	+	729	=	1.630
10.	434	+	386	=	820

Oefening 2
1.	849	+	823	=	1.672
2.	258	+	250	=	508
3.	684	+	542	=	1.226
4.	995	+	766	=	1.761
5.	769	+	363	=	1.132
6.	915	+	514	=	1.429
7.	736	+	711	=	1.447
8.	345	+	208	=	553
9.	852	+	736	=	1.588
10.	762	+	217	=	979

Oefening 3
1.	980	+	216	=	1.196
2.	621	+	300	=	921
3.	899	+	361	=	1.260
4.	553	+	282	=	835
5.	595	+	530	=	1.125
6.	721	+	234	=	955
7.	718	+	684	=	1.402
8.	850	+	611	=	1.461
9.	832	+	816	=	1.648
10.	888	+	723	=	1.611

Oefening 4
1.	459	+	413	=	872
2.	873	+	253	=	1.126
3.	262	+	227	=	489
4.	583	+	210	=	793
5.	702	+	541	=	1.243
6.	945	+	857	=	1.802
7.	772	+	577	=	1.349
8.	889	+	364	=	1.253
9.	708	+	657	=	1.365
10.	608	+	264	=	872