Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	497	+		=	726
2.	376	+		=	728
3.	688	+		=	1.133
4.	822	+		=	1.408
5.	418	+		=	709
6.	984	+		=	1.958
7.	996	+		=	1.489
8.	856	+		=	1.570
9.	710	+		=	1.189
10.	952	+		=	1.599

Oefening 2
1.	605	+		=	818
2.	772	+		=	1.226
3.	865	+		=	1.138
4.	892	+		=	1.236
5.	783	+		=	1.263
6.	600	+		=	851
7.	421	+		=	676
8.	981	+		=	1.604
9.	382	+		=	622
10.	823	+		=	1.454

Oefening 3
1.	974	+		=	1.629
2.	835	+		=	1.506
3.	476	+		=	900
4.	631	+		=	981
5.	963	+		=	1.505
6.	621	+		=	854
7.	660	+		=	1.079
8.	431	+		=	819
9.	809	+		=	1.578
10.	627	+		=	1.108

Oefening 4
1.	303	+		=	577
2.	316	+		=	598
3.	780	+		=	1.044
4.	603	+		=	1.075
5.	531	+		=	776
6.	692	+		=	1.075
7.	984	+		=	1.466
8.	953	+		=	1.437
9.	719	+		=	1.212
10.	680	+		=	1.256

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	497	+	229	=	726
2.	376	+	352	=	728
3.	688	+	445	=	1.133
4.	822	+	586	=	1.408
5.	418	+	291	=	709
6.	984	+	974	=	1.958
7.	996	+	493	=	1.489
8.	856	+	714	=	1.570
9.	710	+	479	=	1.189
10.	952	+	647	=	1.599

Oefening 2
1.	605	+	213	=	818
2.	772	+	454	=	1.226
3.	865	+	273	=	1.138
4.	892	+	344	=	1.236
5.	783	+	480	=	1.263
6.	600	+	251	=	851
7.	421	+	255	=	676
8.	981	+	623	=	1.604
9.	382	+	240	=	622
10.	823	+	631	=	1.454

Oefening 3
1.	974	+	655	=	1.629
2.	835	+	671	=	1.506
3.	476	+	424	=	900
4.	631	+	350	=	981
5.	963	+	542	=	1.505
6.	621	+	233	=	854
7.	660	+	419	=	1.079
8.	431	+	388	=	819
9.	809	+	769	=	1.578
10.	627	+	481	=	1.108

Oefening 4
1.	303	+	274	=	577
2.	316	+	282	=	598
3.	780	+	264	=	1.044
4.	603	+	472	=	1.075
5.	531	+	245	=	776
6.	692	+	383	=	1.075
7.	984	+	482	=	1.466
8.	953	+	484	=	1.437
9.	719	+	493	=	1.212
10.	680	+	576	=	1.256