Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	870	+		=	1.358
2.	852	+		=	1.229
3.	674	+		=	1.208
4.	749	+		=	1.367
5.	788	+		=	992
6.	683	+		=	1.070
7.	685	+		=	1.362
8.	925	+		=	1.404
9.	746	+		=	1.002
10.	636	+		=	1.248

Oefening 2
1.	818	+		=	1.419
2.	768	+		=	1.047
3.	788	+		=	1.458
4.	931	+		=	1.746
5.	873	+		=	1.460
6.	896	+		=	1.486
7.	659	+		=	1.172
8.	601	+		=	1.154
9.	799	+		=	1.011
10.	911	+		=	1.644

Oefening 3
1.	684	+		=	1.360
2.	841	+		=	1.174
3.	584	+		=	1.101
4.	262	+		=	491
5.	558	+		=	1.023
6.	861	+		=	1.488
7.	462	+		=	904
8.	902	+		=	1.441
9.	517	+		=	1.015
10.	488	+		=	728

Oefening 4
1.	537	+		=	887
2.	830	+		=	1.150
3.	698	+		=	1.223
4.	965	+		=	1.289
5.	697	+		=	1.247
6.	496	+		=	759
7.	960	+		=	1.869
8.	647	+		=	991
9.	398	+		=	645
10.	661	+		=	1.166

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	870	+	488	=	1.358
2.	852	+	377	=	1.229
3.	674	+	534	=	1.208
4.	749	+	618	=	1.367
5.	788	+	204	=	992
6.	683	+	387	=	1.070
7.	685	+	677	=	1.362
8.	925	+	479	=	1.404
9.	746	+	256	=	1.002
10.	636	+	612	=	1.248

Oefening 2
1.	818	+	601	=	1.419
2.	768	+	279	=	1.047
3.	788	+	670	=	1.458
4.	931	+	815	=	1.746
5.	873	+	587	=	1.460
6.	896	+	590	=	1.486
7.	659	+	513	=	1.172
8.	601	+	553	=	1.154
9.	799	+	212	=	1.011
10.	911	+	733	=	1.644

Oefening 3
1.	684	+	676	=	1.360
2.	841	+	333	=	1.174
3.	584	+	517	=	1.101
4.	262	+	229	=	491
5.	558	+	465	=	1.023
6.	861	+	627	=	1.488
7.	462	+	442	=	904
8.	902	+	539	=	1.441
9.	517	+	498	=	1.015
10.	488	+	240	=	728

Oefening 4
1.	537	+	350	=	887
2.	830	+	320	=	1.150
3.	698	+	525	=	1.223
4.	965	+	324	=	1.289
5.	697	+	550	=	1.247
6.	496	+	263	=	759
7.	960	+	909	=	1.869
8.	647	+	344	=	991
9.	398	+	247	=	645
10.	661	+	505	=	1.166