Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	771	+		=	1.423
2.	760	+		=	1.414
3.	556	+		=	870
4.	783	+		=	1.525
5.	923	+		=	1.694
6.	831	+		=	1.123
7.	341	+		=	639
8.	745	+		=	957
9.	964	+		=	1.842
10.	902	+		=	1.162

Oefening 2
1.	964	+		=	1.845
2.	857	+		=	1.213
3.	441	+		=	679
4.	675	+		=	1.100
5.	942	+		=	1.812
6.	920	+		=	1.210
7.	765	+		=	1.138
8.	863	+		=	1.070
9.	940	+		=	1.293
10.	672	+		=	925

Oefening 3
1.	466	+		=	689
2.	912	+		=	1.499
3.	999	+		=	1.503
4.	522	+		=	882
5.	635	+		=	1.000
6.	865	+		=	1.404
7.	608	+		=	919
8.	659	+		=	993
9.	741	+		=	1.250
10.	494	+		=	734

Oefening 4
1.	513	+		=	917
2.	480	+		=	793
3.	895	+		=	1.285
4.	885	+		=	1.336
5.	831	+		=	1.441
6.	940	+		=	1.525
7.	572	+		=	876
8.	727	+		=	1.299
9.	826	+		=	1.422
10.	852	+		=	1.101

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	771	+	652	=	1.423
2.	760	+	654	=	1.414
3.	556	+	314	=	870
4.	783	+	742	=	1.525
5.	923	+	771	=	1.694
6.	831	+	292	=	1.123
7.	341	+	298	=	639
8.	745	+	212	=	957
9.	964	+	878	=	1.842
10.	902	+	260	=	1.162

Oefening 2
1.	964	+	881	=	1.845
2.	857	+	356	=	1.213
3.	441	+	238	=	679
4.	675	+	425	=	1.100
5.	942	+	870	=	1.812
6.	920	+	290	=	1.210
7.	765	+	373	=	1.138
8.	863	+	207	=	1.070
9.	940	+	353	=	1.293
10.	672	+	253	=	925

Oefening 3
1.	466	+	223	=	689
2.	912	+	587	=	1.499
3.	999	+	504	=	1.503
4.	522	+	360	=	882
5.	635	+	365	=	1.000
6.	865	+	539	=	1.404
7.	608	+	311	=	919
8.	659	+	334	=	993
9.	741	+	509	=	1.250
10.	494	+	240	=	734

Oefening 4
1.	513	+	404	=	917
2.	480	+	313	=	793
3.	895	+	390	=	1.285
4.	885	+	451	=	1.336
5.	831	+	610	=	1.441
6.	940	+	585	=	1.525
7.	572	+	304	=	876
8.	727	+	572	=	1.299
9.	826	+	596	=	1.422
10.	852	+	249	=	1.101