Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	667	+		=	1.300
2.	915	+		=	1.384
3.	596	+		=	893
4.	378	+		=	599
5.	892	+		=	1.503
6.	924	+		=	1.796
7.	845	+		=	1.132
8.	974	+		=	1.350
9.	424	+		=	829
10.	879	+		=	1.457

Oefening 2
1.	666	+		=	1.149
2.	293	+		=	520
3.	851	+		=	1.346
4.	955	+		=	1.845
5.	446	+		=	822
6.	847	+		=	1.461
7.	385	+		=	650
8.	943	+		=	1.312
9.	950	+		=	1.445
10.	572	+		=	958

Oefening 3
1.	811	+		=	1.277
2.	878	+		=	1.111
3.	947	+		=	1.790
4.	729	+		=	1.125
5.	786	+		=	1.140
6.	812	+		=	1.231
7.	631	+		=	1.140
8.	605	+		=	1.001
9.	916	+		=	1.446
10.	452	+		=	686

Oefening 4
1.	503	+		=	774
2.	713	+		=	1.005
3.	664	+		=	927
4.	722	+		=	1.366
5.	665	+		=	1.127
6.	880	+		=	1.242
7.	913	+		=	1.170
8.	838	+		=	1.045
9.	521	+		=	983
10.	917	+		=	1.471

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	667	+	633	=	1.300
2.	915	+	469	=	1.384
3.	596	+	297	=	893
4.	378	+	221	=	599
5.	892	+	611	=	1.503
6.	924	+	872	=	1.796
7.	845	+	287	=	1.132
8.	974	+	376	=	1.350
9.	424	+	405	=	829
10.	879	+	578	=	1.457

Oefening 2
1.	666	+	483	=	1.149
2.	293	+	227	=	520
3.	851	+	495	=	1.346
4.	955	+	890	=	1.845
5.	446	+	376	=	822
6.	847	+	614	=	1.461
7.	385	+	265	=	650
8.	943	+	369	=	1.312
9.	950	+	495	=	1.445
10.	572	+	386	=	958

Oefening 3
1.	811	+	466	=	1.277
2.	878	+	233	=	1.111
3.	947	+	843	=	1.790
4.	729	+	396	=	1.125
5.	786	+	354	=	1.140
6.	812	+	419	=	1.231
7.	631	+	509	=	1.140
8.	605	+	396	=	1.001
9.	916	+	530	=	1.446
10.	452	+	234	=	686

Oefening 4
1.	503	+	271	=	774
2.	713	+	292	=	1.005
3.	664	+	263	=	927
4.	722	+	644	=	1.366
5.	665	+	462	=	1.127
6.	880	+	362	=	1.242
7.	913	+	257	=	1.170
8.	838	+	207	=	1.045
9.	521	+	462	=	983
10.	917	+	554	=	1.471