Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	743	+		=	1.425
2.	860	+		=	1.594
3.	999	+		=	1.330
4.	926	+		=	1.716
5.	841	+		=	1.203
6.	419	+		=	666
7.	734	+		=	1.323
8.	827	+		=	1.164
9.	396	+		=	604
10.	477	+		=	707

Oefening 2
1.	743	+		=	1.193
2.	275	+		=	520
3.	852	+		=	1.065
4.	970	+		=	1.725
5.	498	+		=	829
6.	677	+		=	1.005
7.	831	+		=	1.460
8.	747	+		=	1.000
9.	615	+		=	1.089
10.	943	+		=	1.518

Oefening 3
1.	321	+		=	635
2.	383	+		=	593
3.	941	+		=	1.202
4.	700	+		=	968
5.	961	+		=	1.553
6.	808	+		=	1.443
7.	977	+		=	1.258
8.	856	+		=	1.388
9.	988	+		=	1.911
10.	911	+		=	1.634

Oefening 4
1.	292	+		=	544
2.	991	+		=	1.239
3.	741	+		=	1.014
4.	595	+		=	1.086
5.	730	+		=	1.007
6.	567	+		=	1.036
7.	930	+		=	1.748
8.	908	+		=	1.351
9.	352	+		=	566
10.	646	+		=	1.011

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	743	+	682	=	1.425
2.	860	+	734	=	1.594
3.	999	+	331	=	1.330
4.	926	+	790	=	1.716
5.	841	+	362	=	1.203
6.	419	+	247	=	666
7.	734	+	589	=	1.323
8.	827	+	337	=	1.164
9.	396	+	208	=	604
10.	477	+	230	=	707

Oefening 2
1.	743	+	450	=	1.193
2.	275	+	245	=	520
3.	852	+	213	=	1.065
4.	970	+	755	=	1.725
5.	498	+	331	=	829
6.	677	+	328	=	1.005
7.	831	+	629	=	1.460
8.	747	+	253	=	1.000
9.	615	+	474	=	1.089
10.	943	+	575	=	1.518

Oefening 3
1.	321	+	314	=	635
2.	383	+	210	=	593
3.	941	+	261	=	1.202
4.	700	+	268	=	968
5.	961	+	592	=	1.553
6.	808	+	635	=	1.443
7.	977	+	281	=	1.258
8.	856	+	532	=	1.388
9.	988	+	923	=	1.911
10.	911	+	723	=	1.634

Oefening 4
1.	292	+	252	=	544
2.	991	+	248	=	1.239
3.	741	+	273	=	1.014
4.	595	+	491	=	1.086
5.	730	+	277	=	1.007
6.	567	+	469	=	1.036
7.	930	+	818	=	1.748
8.	908	+	443	=	1.351
9.	352	+	214	=	566
10.	646	+	365	=	1.011