Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	565	+		=	779
2.	425	+		=	669
3.	748	+		=	1.495
4.	525	+		=	764
5.	795	+		=	1.187
6.	834	+		=	1.538
7.	748	+		=	1.277
8.	981	+		=	1.829
9.	952	+		=	1.200
10.	850	+		=	1.623

Oefening 2
1.	941	+		=	1.497
2.	885	+		=	1.407
3.	744	+		=	1.122
4.	770	+		=	1.311
5.	442	+		=	781
6.	860	+		=	1.228
7.	762	+		=	1.074
8.	978	+		=	1.197
9.	686	+		=	1.153
10.	741	+		=	1.427

Oefening 3
1.	983	+		=	1.674
2.	540	+		=	847
3.	941	+		=	1.758
4.	748	+		=	1.009
5.	555	+		=	1.107
6.	464	+		=	780
7.	927	+		=	1.203
8.	801	+		=	1.198
9.	306	+		=	558
10.	885	+		=	1.286

Oefening 4
1.	752	+		=	1.218
2.	756	+		=	1.233
3.	823	+		=	1.159
4.	830	+		=	1.241
5.	749	+		=	1.192
6.	606	+		=	922
7.	588	+		=	1.062
8.	836	+		=	1.445
9.	480	+		=	686
10.	746	+		=	1.123

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	565	+	214	=	779
2.	425	+	244	=	669
3.	748	+	747	=	1.495
4.	525	+	239	=	764
5.	795	+	392	=	1.187
6.	834	+	704	=	1.538
7.	748	+	529	=	1.277
8.	981	+	848	=	1.829
9.	952	+	248	=	1.200
10.	850	+	773	=	1.623

Oefening 2
1.	941	+	556	=	1.497
2.	885	+	522	=	1.407
3.	744	+	378	=	1.122
4.	770	+	541	=	1.311
5.	442	+	339	=	781
6.	860	+	368	=	1.228
7.	762	+	312	=	1.074
8.	978	+	219	=	1.197
9.	686	+	467	=	1.153
10.	741	+	686	=	1.427

Oefening 3
1.	983	+	691	=	1.674
2.	540	+	307	=	847
3.	941	+	817	=	1.758
4.	748	+	261	=	1.009
5.	555	+	552	=	1.107
6.	464	+	316	=	780
7.	927	+	276	=	1.203
8.	801	+	397	=	1.198
9.	306	+	252	=	558
10.	885	+	401	=	1.286

Oefening 4
1.	752	+	466	=	1.218
2.	756	+	477	=	1.233
3.	823	+	336	=	1.159
4.	830	+	411	=	1.241
5.	749	+	443	=	1.192
6.	606	+	316	=	922
7.	588	+	474	=	1.062
8.	836	+	609	=	1.445
9.	480	+	206	=	686
10.	746	+	377	=	1.123