Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	912	+		=	1.174
2.	820	+		=	1.582
3.	829	+		=	1.561
4.	306	+		=	591
5.	849	+		=	1.409
6.	942	+		=	1.572
7.	749	+		=	1.350
8.	881	+		=	1.388
9.	661	+		=	1.032
10.	745	+		=	1.077

Oefening 2
1.	706	+		=	1.243
2.	867	+		=	1.552
3.	523	+		=	796
4.	759	+		=	1.507
5.	327	+		=	527
6.	942	+		=	1.503
7.	441	+		=	692
8.	879	+		=	1.560
9.	453	+		=	876
10.	903	+		=	1.293

Oefening 3
1.	577	+		=	1.073
2.	573	+		=	976
3.	394	+		=	632
4.	491	+		=	906
5.	431	+		=	633
6.	258	+		=	458
7.	838	+		=	1.317
8.	706	+		=	1.170
9.	949	+		=	1.828
10.	976	+		=	1.403

Oefening 4
1.	360	+		=	640
2.	846	+		=	1.394
3.	999	+		=	1.428
4.	704	+		=	1.114
5.	596	+		=	799
6.	952	+		=	1.903
7.	910	+		=	1.785
8.	921	+		=	1.783
9.	464	+		=	705
10.	577	+		=	1.029

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	912	+	262	=	1.174
2.	820	+	762	=	1.582
3.	829	+	732	=	1.561
4.	306	+	285	=	591
5.	849	+	560	=	1.409
6.	942	+	630	=	1.572
7.	749	+	601	=	1.350
8.	881	+	507	=	1.388
9.	661	+	371	=	1.032
10.	745	+	332	=	1.077

Oefening 2
1.	706	+	537	=	1.243
2.	867	+	685	=	1.552
3.	523	+	273	=	796
4.	759	+	748	=	1.507
5.	327	+	200	=	527
6.	942	+	561	=	1.503
7.	441	+	251	=	692
8.	879	+	681	=	1.560
9.	453	+	423	=	876
10.	903	+	390	=	1.293

Oefening 3
1.	577	+	496	=	1.073
2.	573	+	403	=	976
3.	394	+	238	=	632
4.	491	+	415	=	906
5.	431	+	202	=	633
6.	258	+	200	=	458
7.	838	+	479	=	1.317
8.	706	+	464	=	1.170
9.	949	+	879	=	1.828
10.	976	+	427	=	1.403

Oefening 4
1.	360	+	280	=	640
2.	846	+	548	=	1.394
3.	999	+	429	=	1.428
4.	704	+	410	=	1.114
5.	596	+	203	=	799
6.	952	+	951	=	1.903
7.	910	+	875	=	1.785
8.	921	+	862	=	1.783
9.	464	+	241	=	705
10.	577	+	452	=	1.029