Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	296	+		=	535
2.	916	+		=	1.680
3.	985	+		=	1.478
4.	889	+		=	1.133
5.	769	+		=	1.196
6.	912	+		=	1.214
7.	369	+		=	717
8.	481	+		=	909
9.	845	+		=	1.328
10.	634	+		=	1.023

Oefening 2
1.	630	+		=	1.205
2.	762	+		=	1.500
3.	657	+		=	1.026
4.	573	+		=	968
5.	797	+		=	1.474
6.	981	+		=	1.514
7.	633	+		=	958
8.	700	+		=	1.172
9.	399	+		=	601
10.	793	+		=	1.583

Oefening 3
1.	464	+		=	883
2.	487	+		=	783
3.	842	+		=	1.200
4.	811	+		=	1.269
5.	547	+		=	906
6.	713	+		=	1.155
7.	457	+		=	866
8.	944	+		=	1.370
9.	452	+		=	866
10.	491	+		=	705

Oefening 4
1.	573	+		=	792
2.	622	+		=	1.215
3.	900	+		=	1.595
4.	586	+		=	1.083
5.	940	+		=	1.694
6.	222	+		=	429
7.	665	+		=	970
8.	760	+		=	1.274
9.	698	+		=	968
10.	458	+		=	828

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	296	+	239	=	535
2.	916	+	764	=	1.680
3.	985	+	493	=	1.478
4.	889	+	244	=	1.133
5.	769	+	427	=	1.196
6.	912	+	302	=	1.214
7.	369	+	348	=	717
8.	481	+	428	=	909
9.	845	+	483	=	1.328
10.	634	+	389	=	1.023

Oefening 2
1.	630	+	575	=	1.205
2.	762	+	738	=	1.500
3.	657	+	369	=	1.026
4.	573	+	395	=	968
5.	797	+	677	=	1.474
6.	981	+	533	=	1.514
7.	633	+	325	=	958
8.	700	+	472	=	1.172
9.	399	+	202	=	601
10.	793	+	790	=	1.583

Oefening 3
1.	464	+	419	=	883
2.	487	+	296	=	783
3.	842	+	358	=	1.200
4.	811	+	458	=	1.269
5.	547	+	359	=	906
6.	713	+	442	=	1.155
7.	457	+	409	=	866
8.	944	+	426	=	1.370
9.	452	+	414	=	866
10.	491	+	214	=	705

Oefening 4
1.	573	+	219	=	792
2.	622	+	593	=	1.215
3.	900	+	695	=	1.595
4.	586	+	497	=	1.083
5.	940	+	754	=	1.694
6.	222	+	207	=	429
7.	665	+	305	=	970
8.	760	+	514	=	1.274
9.	698	+	270	=	968
10.	458	+	370	=	828