Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	758	+		=	1.514
2.	725	+		=	971
3.	536	+		=	1.026
4.	449	+		=	704
5.	691	+		=	1.274
6.	855	+		=	1.224
7.	565	+		=	1.017
8.	400	+		=	604
9.	993	+		=	1.205
10.	968	+		=	1.443

Oefening 2
1.	718	+		=	1.119
2.	690	+		=	1.223
3.	630	+		=	1.058
4.	917	+		=	1.402
5.	505	+		=	707
6.	989	+		=	1.440
7.	627	+		=	985
8.	479	+		=	883
9.	806	+		=	1.081
10.	700	+		=	948

Oefening 3
1.	783	+		=	1.224
2.	835	+		=	1.267
3.	750	+		=	1.272
4.	916	+		=	1.272
5.	963	+		=	1.363
6.	331	+		=	623
7.	970	+		=	1.631
8.	611	+		=	917
9.	782	+		=	989
10.	714	+		=	1.123

Oefening 4
1.	503	+		=	937
2.	900	+		=	1.107
3.	933	+		=	1.275
4.	547	+		=	1.010
5.	719	+		=	1.274
6.	270	+		=	529
7.	773	+		=	1.244
8.	404	+		=	769
9.	881	+		=	1.384
10.	994	+		=	1.862

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	758	+	756	=	1.514
2.	725	+	246	=	971
3.	536	+	490	=	1.026
4.	449	+	255	=	704
5.	691	+	583	=	1.274
6.	855	+	369	=	1.224
7.	565	+	452	=	1.017
8.	400	+	204	=	604
9.	993	+	212	=	1.205
10.	968	+	475	=	1.443

Oefening 2
1.	718	+	401	=	1.119
2.	690	+	533	=	1.223
3.	630	+	428	=	1.058
4.	917	+	485	=	1.402
5.	505	+	202	=	707
6.	989	+	451	=	1.440
7.	627	+	358	=	985
8.	479	+	404	=	883
9.	806	+	275	=	1.081
10.	700	+	248	=	948

Oefening 3
1.	783	+	441	=	1.224
2.	835	+	432	=	1.267
3.	750	+	522	=	1.272
4.	916	+	356	=	1.272
5.	963	+	400	=	1.363
6.	331	+	292	=	623
7.	970	+	661	=	1.631
8.	611	+	306	=	917
9.	782	+	207	=	989
10.	714	+	409	=	1.123

Oefening 4
1.	503	+	434	=	937
2.	900	+	207	=	1.107
3.	933	+	342	=	1.275
4.	547	+	463	=	1.010
5.	719	+	555	=	1.274
6.	270	+	259	=	529
7.	773	+	471	=	1.244
8.	404	+	365	=	769
9.	881	+	503	=	1.384
10.	994	+	868	=	1.862