Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	975	+		=	1.773
2.	950	+		=	1.583
3.	845	+		=	1.601
4.	472	+		=	704
5.	909	+		=	1.621
6.	954	+		=	1.397
7.	672	+		=	1.273
8.	721	+		=	1.403
9.	724	+		=	1.065
10.	638	+		=	888

Oefening 2
1.	676	+		=	1.099
2.	545	+		=	853
3.	881	+		=	1.676
4.	508	+		=	753
5.	514	+		=	938
6.	681	+		=	1.289
7.	822	+		=	1.068
8.	630	+		=	1.109
9.	436	+		=	748
10.	845	+		=	1.493

Oefening 3
1.	958	+		=	1.273
2.	791	+		=	1.393
3.	751	+		=	1.493
4.	853	+		=	1.416
5.	427	+		=	703
6.	383	+		=	659
7.	840	+		=	1.243
8.	988	+		=	1.974
9.	870	+		=	1.177
10.	926	+		=	1.728

Oefening 4
1.	742	+		=	1.244
2.	882	+		=	1.518
3.	595	+		=	1.071
4.	734	+		=	1.046
5.	947	+		=	1.629
6.	403	+		=	661
7.	368	+		=	702
8.	985	+		=	1.221
9.	595	+		=	875
10.	888	+		=	1.451

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	975	+	798	=	1.773
2.	950	+	633	=	1.583
3.	845	+	756	=	1.601
4.	472	+	232	=	704
5.	909	+	712	=	1.621
6.	954	+	443	=	1.397
7.	672	+	601	=	1.273
8.	721	+	682	=	1.403
9.	724	+	341	=	1.065
10.	638	+	250	=	888

Oefening 2
1.	676	+	423	=	1.099
2.	545	+	308	=	853
3.	881	+	795	=	1.676
4.	508	+	245	=	753
5.	514	+	424	=	938
6.	681	+	608	=	1.289
7.	822	+	246	=	1.068
8.	630	+	479	=	1.109
9.	436	+	312	=	748
10.	845	+	648	=	1.493

Oefening 3
1.	958	+	315	=	1.273
2.	791	+	602	=	1.393
3.	751	+	742	=	1.493
4.	853	+	563	=	1.416
5.	427	+	276	=	703
6.	383	+	276	=	659
7.	840	+	403	=	1.243
8.	988	+	986	=	1.974
9.	870	+	307	=	1.177
10.	926	+	802	=	1.728

Oefening 4
1.	742	+	502	=	1.244
2.	882	+	636	=	1.518
3.	595	+	476	=	1.071
4.	734	+	312	=	1.046
5.	947	+	682	=	1.629
6.	403	+	258	=	661
7.	368	+	334	=	702
8.	985	+	236	=	1.221
9.	595	+	280	=	875
10.	888	+	563	=	1.451