Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	642	+		=	1.105
2.	570	+		=	779
3.	878	+		=	1.343
4.	660	+		=	1.130
5.	339	+		=	674
6.	925	+		=	1.550
7.	836	+		=	1.258
8.	621	+		=	1.158
9.	510	+		=	738
10.	861	+		=	1.703

Oefening 2
1.	798	+		=	1.336
2.	528	+		=	759
3.	938	+		=	1.341
4.	936	+		=	1.807
5.	758	+		=	1.493
6.	703	+		=	923
7.	825	+		=	1.442
8.	570	+		=	847
9.	600	+		=	837
10.	610	+		=	1.027

Oefening 3
1.	497	+		=	981
2.	801	+		=	1.191
3.	669	+		=	1.252
4.	696	+		=	1.086
5.	645	+		=	946
6.	926	+		=	1.710
7.	998	+		=	1.644
8.	845	+		=	1.423
9.	617	+		=	974
10.	818	+		=	1.032

Oefening 4
1.	288	+		=	558
2.	812	+		=	1.472
3.	876	+		=	1.259
4.	541	+		=	909
5.	991	+		=	1.748
6.	262	+		=	487
7.	983	+		=	1.629
8.	893	+		=	1.334
9.	827	+		=	1.380
10.	826	+		=	1.523

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	642	+	463	=	1.105
2.	570	+	209	=	779
3.	878	+	465	=	1.343
4.	660	+	470	=	1.130
5.	339	+	335	=	674
6.	925	+	625	=	1.550
7.	836	+	422	=	1.258
8.	621	+	537	=	1.158
9.	510	+	228	=	738
10.	861	+	842	=	1.703

Oefening 2
1.	798	+	538	=	1.336
2.	528	+	231	=	759
3.	938	+	403	=	1.341
4.	936	+	871	=	1.807
5.	758	+	735	=	1.493
6.	703	+	220	=	923
7.	825	+	617	=	1.442
8.	570	+	277	=	847
9.	600	+	237	=	837
10.	610	+	417	=	1.027

Oefening 3
1.	497	+	484	=	981
2.	801	+	390	=	1.191
3.	669	+	583	=	1.252
4.	696	+	390	=	1.086
5.	645	+	301	=	946
6.	926	+	784	=	1.710
7.	998	+	646	=	1.644
8.	845	+	578	=	1.423
9.	617	+	357	=	974
10.	818	+	214	=	1.032

Oefening 4
1.	288	+	270	=	558
2.	812	+	660	=	1.472
3.	876	+	383	=	1.259
4.	541	+	368	=	909
5.	991	+	757	=	1.748
6.	262	+	225	=	487
7.	983	+	646	=	1.629
8.	893	+	441	=	1.334
9.	827	+	553	=	1.380
10.	826	+	697	=	1.523