Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	772	+		=	1.271
2.	674	+		=	1.202
3.	859	+		=	1.642
4.	919	+		=	1.497
5.	728	+		=	1.039
6.	836	+		=	1.126
7.	395	+		=	696
8.	799	+		=	1.510
9.	275	+		=	487
10.	717	+		=	1.114

Oefening 2
1.	972	+		=	1.283
2.	960	+		=	1.781
3.	583	+		=	823
4.	965	+		=	1.177
5.	501	+		=	733
6.	758	+		=	1.407
7.	324	+		=	593
8.	970	+		=	1.490
9.	799	+		=	1.112
10.	871	+		=	1.503

Oefening 3
1.	610	+		=	1.095
2.	877	+		=	1.661
3.	316	+		=	547
4.	315	+		=	574
5.	538	+		=	992
6.	861	+		=	1.326
7.	927	+		=	1.669
8.	456	+		=	912
9.	874	+		=	1.158
10.	605	+		=	1.099

Oefening 4
1.	312	+		=	609
2.	662	+		=	1.019
3.	800	+		=	1.300
4.	777	+		=	1.539
5.	968	+		=	1.224
6.	293	+		=	529
7.	443	+		=	798
8.	662	+		=	1.225
9.	436	+		=	662
10.	940	+		=	1.645

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	772	+	499	=	1.271
2.	674	+	528	=	1.202
3.	859	+	783	=	1.642
4.	919	+	578	=	1.497
5.	728	+	311	=	1.039
6.	836	+	290	=	1.126
7.	395	+	301	=	696
8.	799	+	711	=	1.510
9.	275	+	212	=	487
10.	717	+	397	=	1.114

Oefening 2
1.	972	+	311	=	1.283
2.	960	+	821	=	1.781
3.	583	+	240	=	823
4.	965	+	212	=	1.177
5.	501	+	232	=	733
6.	758	+	649	=	1.407
7.	324	+	269	=	593
8.	970	+	520	=	1.490
9.	799	+	313	=	1.112
10.	871	+	632	=	1.503

Oefening 3
1.	610	+	485	=	1.095
2.	877	+	784	=	1.661
3.	316	+	231	=	547
4.	315	+	259	=	574
5.	538	+	454	=	992
6.	861	+	465	=	1.326
7.	927	+	742	=	1.669
8.	456	+	456	=	912
9.	874	+	284	=	1.158
10.	605	+	494	=	1.099

Oefening 4
1.	312	+	297	=	609
2.	662	+	357	=	1.019
3.	800	+	500	=	1.300
4.	777	+	762	=	1.539
5.	968	+	256	=	1.224
6.	293	+	236	=	529
7.	443	+	355	=	798
8.	662	+	563	=	1.225
9.	436	+	226	=	662
10.	940	+	705	=	1.645