Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	706	+		=	1.292
2.	670	+		=	1.041
3.	812	+		=	1.457
4.	755	+		=	1.136
5.	366	+		=	690
6.	268	+		=	490
7.	315	+		=	601
8.	984	+		=	1.447
9.	646	+		=	1.267
10.	815	+		=	1.078

Oefening 2
1.	533	+		=	888
2.	615	+		=	890
3.	381	+		=	664
4.	916	+		=	1.336
5.	863	+		=	1.687
6.	673	+		=	958
7.	923	+		=	1.454
8.	921	+		=	1.610
9.	981	+		=	1.743
10.	851	+		=	1.065

Oefening 3
1.	886	+		=	1.312
2.	775	+		=	1.239
3.	721	+		=	1.230
4.	873	+		=	1.111
5.	856	+		=	1.330
6.	777	+		=	990
7.	374	+		=	730
8.	650	+		=	961
9.	913	+		=	1.205
10.	935	+		=	1.450

Oefening 4
1.	901	+		=	1.287
2.	850	+		=	1.182
3.	832	+		=	1.427
4.	757	+		=	1.433
5.	766	+		=	1.020
6.	951	+		=	1.759
7.	983	+		=	1.475
8.	961	+		=	1.620
9.	270	+		=	484
10.	900	+		=	1.211

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	706	+	586	=	1.292
2.	670	+	371	=	1.041
3.	812	+	645	=	1.457
4.	755	+	381	=	1.136
5.	366	+	324	=	690
6.	268	+	222	=	490
7.	315	+	286	=	601
8.	984	+	463	=	1.447
9.	646	+	621	=	1.267
10.	815	+	263	=	1.078

Oefening 2
1.	533	+	355	=	888
2.	615	+	275	=	890
3.	381	+	283	=	664
4.	916	+	420	=	1.336
5.	863	+	824	=	1.687
6.	673	+	285	=	958
7.	923	+	531	=	1.454
8.	921	+	689	=	1.610
9.	981	+	762	=	1.743
10.	851	+	214	=	1.065

Oefening 3
1.	886	+	426	=	1.312
2.	775	+	464	=	1.239
3.	721	+	509	=	1.230
4.	873	+	238	=	1.111
5.	856	+	474	=	1.330
6.	777	+	213	=	990
7.	374	+	356	=	730
8.	650	+	311	=	961
9.	913	+	292	=	1.205
10.	935	+	515	=	1.450

Oefening 4
1.	901	+	386	=	1.287
2.	850	+	332	=	1.182
3.	832	+	595	=	1.427
4.	757	+	676	=	1.433
5.	766	+	254	=	1.020
6.	951	+	808	=	1.759
7.	983	+	492	=	1.475
8.	961	+	659	=	1.620
9.	270	+	214	=	484
10.	900	+	311	=	1.211