Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	498	+		=	871
2.	899	+		=	1.382
3.	814	+		=	1.062
4.	682	+		=	1.268
5.	443	+		=	769
6.	832	+		=	1.078
7.	816	+		=	1.119
8.	918	+		=	1.484
9.	778	+		=	1.003
10.	862	+		=	1.269

Oefening 2
1.	481	+		=	736
2.	691	+		=	1.027
3.	933	+		=	1.491
4.	765	+		=	1.420
5.	698	+		=	1.300
6.	907	+		=	1.695
7.	684	+		=	937
8.	417	+		=	829
9.	848	+		=	1.184
10.	272	+		=	484

Oefening 3
1.	600	+		=	1.120
2.	732	+		=	1.194
3.	892	+		=	1.694
4.	924	+		=	1.628
5.	828	+		=	1.265
6.	771	+		=	1.188
7.	882	+		=	1.231
8.	909	+		=	1.724
9.	537	+		=	813
10.	953	+		=	1.290

Oefening 4
1.	824	+		=	1.129
2.	950	+		=	1.579
3.	589	+		=	1.057
4.	802	+		=	1.420
5.	879	+		=	1.297
6.	830	+		=	1.317
7.	793	+		=	1.240
8.	360	+		=	574
9.	920	+		=	1.621
10.	699	+		=	1.297

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	498	+	373	=	871
2.	899	+	483	=	1.382
3.	814	+	248	=	1.062
4.	682	+	586	=	1.268
5.	443	+	326	=	769
6.	832	+	246	=	1.078
7.	816	+	303	=	1.119
8.	918	+	566	=	1.484
9.	778	+	225	=	1.003
10.	862	+	407	=	1.269

Oefening 2
1.	481	+	255	=	736
2.	691	+	336	=	1.027
3.	933	+	558	=	1.491
4.	765	+	655	=	1.420
5.	698	+	602	=	1.300
6.	907	+	788	=	1.695
7.	684	+	253	=	937
8.	417	+	412	=	829
9.	848	+	336	=	1.184
10.	272	+	212	=	484

Oefening 3
1.	600	+	520	=	1.120
2.	732	+	462	=	1.194
3.	892	+	802	=	1.694
4.	924	+	704	=	1.628
5.	828	+	437	=	1.265
6.	771	+	417	=	1.188
7.	882	+	349	=	1.231
8.	909	+	815	=	1.724
9.	537	+	276	=	813
10.	953	+	337	=	1.290

Oefening 4
1.	824	+	305	=	1.129
2.	950	+	629	=	1.579
3.	589	+	468	=	1.057
4.	802	+	618	=	1.420
5.	879	+	418	=	1.297
6.	830	+	487	=	1.317
7.	793	+	447	=	1.240
8.	360	+	214	=	574
9.	920	+	701	=	1.621
10.	699	+	598	=	1.297