Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	897	+		=	1.279
2.	418	+		=	632
3.	901	+		=	1.768
4.	426	+		=	835
5.	523	+		=	858
6.	867	+		=	1.537
7.	707	+		=	1.327
8.	984	+		=	1.384
9.	611	+		=	884
10.	938	+		=	1.532

Oefening 2
1.	455	+		=	820
2.	932	+		=	1.704
3.	834	+		=	1.149
4.	841	+		=	1.130
5.	416	+		=	771
6.	976	+		=	1.738
7.	985	+		=	1.897
8.	695	+		=	1.313
9.	846	+		=	1.659
10.	873	+		=	1.309

Oefening 3
1.	668	+		=	939
2.	866	+		=	1.436
3.	440	+		=	810
4.	521	+		=	986
5.	808	+		=	1.218
6.	764	+		=	1.040
7.	993	+		=	1.369
8.	917	+		=	1.369
9.	888	+		=	1.174
10.	988	+		=	1.689

Oefening 4
1.	816	+		=	1.608
2.	531	+		=	1.022
3.	567	+		=	1.031
4.	666	+		=	913
5.	982	+		=	1.835
6.	583	+		=	1.049
7.	870	+		=	1.624
8.	815	+		=	1.174
9.	676	+		=	911
10.	865	+		=	1.725

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	897	+	382	=	1.279
2.	418	+	214	=	632
3.	901	+	867	=	1.768
4.	426	+	409	=	835
5.	523	+	335	=	858
6.	867	+	670	=	1.537
7.	707	+	620	=	1.327
8.	984	+	400	=	1.384
9.	611	+	273	=	884
10.	938	+	594	=	1.532

Oefening 2
1.	455	+	365	=	820
2.	932	+	772	=	1.704
3.	834	+	315	=	1.149
4.	841	+	289	=	1.130
5.	416	+	355	=	771
6.	976	+	762	=	1.738
7.	985	+	912	=	1.897
8.	695	+	618	=	1.313
9.	846	+	813	=	1.659
10.	873	+	436	=	1.309

Oefening 3
1.	668	+	271	=	939
2.	866	+	570	=	1.436
3.	440	+	370	=	810
4.	521	+	465	=	986
5.	808	+	410	=	1.218
6.	764	+	276	=	1.040
7.	993	+	376	=	1.369
8.	917	+	452	=	1.369
9.	888	+	286	=	1.174
10.	988	+	701	=	1.689

Oefening 4
1.	816	+	792	=	1.608
2.	531	+	491	=	1.022
3.	567	+	464	=	1.031
4.	666	+	247	=	913
5.	982	+	853	=	1.835
6.	583	+	466	=	1.049
7.	870	+	754	=	1.624
8.	815	+	359	=	1.174
9.	676	+	235	=	911
10.	865	+	860	=	1.725