Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	845	+		=	1.137
2.	715	+		=	972
3.	418	+		=	811
4.	828	+		=	1.042
5.	647	+		=	955
6.	871	+		=	1.341
7.	948	+		=	1.520
8.	476	+		=	738
9.	945	+		=	1.317
10.	922	+		=	1.590

Oefening 2
1.	566	+		=	785
2.	881	+		=	1.696
3.	511	+		=	855
4.	847	+		=	1.257
5.	973	+		=	1.705
6.	741	+		=	1.216
7.	919	+		=	1.480
8.	946	+		=	1.610
9.	956	+		=	1.160
10.	747	+		=	1.447

Oefening 3
1.	508	+		=	1.003
2.	554	+		=	798
3.	939	+		=	1.492
4.	717	+		=	1.189
5.	854	+		=	1.181
6.	775	+		=	1.283
7.	374	+		=	652
8.	819	+		=	1.480
9.	580	+		=	1.052
10.	495	+		=	720

Oefening 4
1.	536	+		=	864
2.	782	+		=	1.160
3.	937	+		=	1.629
4.	825	+		=	1.483
5.	510	+		=	743
6.	964	+		=	1.432
7.	656	+		=	993
8.	608	+		=	1.142
9.	944	+		=	1.831
10.	819	+		=	1.060

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	845	+	292	=	1.137
2.	715	+	257	=	972
3.	418	+	393	=	811
4.	828	+	214	=	1.042
5.	647	+	308	=	955
6.	871	+	470	=	1.341
7.	948	+	572	=	1.520
8.	476	+	262	=	738
9.	945	+	372	=	1.317
10.	922	+	668	=	1.590

Oefening 2
1.	566	+	219	=	785
2.	881	+	815	=	1.696
3.	511	+	344	=	855
4.	847	+	410	=	1.257
5.	973	+	732	=	1.705
6.	741	+	475	=	1.216
7.	919	+	561	=	1.480
8.	946	+	664	=	1.610
9.	956	+	204	=	1.160
10.	747	+	700	=	1.447

Oefening 3
1.	508	+	495	=	1.003
2.	554	+	244	=	798
3.	939	+	553	=	1.492
4.	717	+	472	=	1.189
5.	854	+	327	=	1.181
6.	775	+	508	=	1.283
7.	374	+	278	=	652
8.	819	+	661	=	1.480
9.	580	+	472	=	1.052
10.	495	+	225	=	720

Oefening 4
1.	536	+	328	=	864
2.	782	+	378	=	1.160
3.	937	+	692	=	1.629
4.	825	+	658	=	1.483
5.	510	+	233	=	743
6.	964	+	468	=	1.432
7.	656	+	337	=	993
8.	608	+	534	=	1.142
9.	944	+	887	=	1.831
10.	819	+	241	=	1.060