Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	592	+		=	879
2.	402	+		=	678
3.	923	+		=	1.797
4.	858	+		=	1.258
5.	728	+		=	1.191
6.	822	+		=	1.460
7.	661	+		=	995
8.	800	+		=	1.594
9.	409	+		=	667
10.	849	+		=	1.483

Oefening 2
1.	537	+		=	768
2.	883	+		=	1.416
3.	849	+		=	1.149
4.	474	+		=	935
5.	867	+		=	1.155
6.	753	+		=	1.428
7.	986	+		=	1.572
8.	948	+		=	1.289
9.	995	+		=	1.381
10.	474	+		=	678

Oefening 3
1.	676	+		=	1.337
2.	727	+		=	1.070
3.	341	+		=	592
4.	974	+		=	1.921
5.	760	+		=	1.136
6.	749	+		=	993
7.	640	+		=	1.267
8.	870	+		=	1.155
9.	789	+		=	1.249
10.	815	+		=	1.224

Oefening 4
1.	870	+		=	1.188
2.	887	+		=	1.752
3.	492	+		=	693
4.	466	+		=	808
5.	772	+		=	1.533
6.	475	+		=	916
7.	596	+		=	871
8.	926	+		=	1.162
9.	536	+		=	901
10.	555	+		=	1.036

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	592	+	287	=	879
2.	402	+	276	=	678
3.	923	+	874	=	1.797
4.	858	+	400	=	1.258
5.	728	+	463	=	1.191
6.	822	+	638	=	1.460
7.	661	+	334	=	995
8.	800	+	794	=	1.594
9.	409	+	258	=	667
10.	849	+	634	=	1.483

Oefening 2
1.	537	+	231	=	768
2.	883	+	533	=	1.416
3.	849	+	300	=	1.149
4.	474	+	461	=	935
5.	867	+	288	=	1.155
6.	753	+	675	=	1.428
7.	986	+	586	=	1.572
8.	948	+	341	=	1.289
9.	995	+	386	=	1.381
10.	474	+	204	=	678

Oefening 3
1.	676	+	661	=	1.337
2.	727	+	343	=	1.070
3.	341	+	251	=	592
4.	974	+	947	=	1.921
5.	760	+	376	=	1.136
6.	749	+	244	=	993
7.	640	+	627	=	1.267
8.	870	+	285	=	1.155
9.	789	+	460	=	1.249
10.	815	+	409	=	1.224

Oefening 4
1.	870	+	318	=	1.188
2.	887	+	865	=	1.752
3.	492	+	201	=	693
4.	466	+	342	=	808
5.	772	+	761	=	1.533
6.	475	+	441	=	916
7.	596	+	275	=	871
8.	926	+	236	=	1.162
9.	536	+	365	=	901
10.	555	+	481	=	1.036