Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	409	+		=	712
2.	704	+		=	1.369
3.	793	+		=	1.021
4.	959	+		=	1.818
5.	673	+		=	1.084
6.	444	+		=	734
7.	446	+		=	801
8.	967	+		=	1.516
9.	693	+		=	1.225
10.	959	+		=	1.878

Oefening 2
1.	935	+		=	1.408
2.	493	+		=	776
3.	927	+		=	1.549
4.	869	+		=	1.689
5.	742	+		=	1.321
6.	752	+		=	1.181
7.	920	+		=	1.306
8.	358	+		=	624
9.	644	+		=	1.000
10.	793	+		=	1.079

Oefening 3
1.	841	+		=	1.486
2.	692	+		=	1.188
3.	876	+		=	1.738
4.	939	+		=	1.274
5.	830	+		=	1.558
6.	860	+		=	1.305
7.	995	+		=	1.378
8.	786	+		=	1.187
9.	485	+		=	955
10.	520	+		=	814

Oefening 4
1.	988	+		=	1.696
2.	967	+		=	1.760
3.	898	+		=	1.438
4.	856	+		=	1.240
5.	945	+		=	1.158
6.	741	+		=	1.035
7.	542	+		=	1.075
8.	376	+		=	639
9.	576	+		=	1.051
10.	340	+		=	653

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	409	+	303	=	712
2.	704	+	665	=	1.369
3.	793	+	228	=	1.021
4.	959	+	859	=	1.818
5.	673	+	411	=	1.084
6.	444	+	290	=	734
7.	446	+	355	=	801
8.	967	+	549	=	1.516
9.	693	+	532	=	1.225
10.	959	+	919	=	1.878

Oefening 2
1.	935	+	473	=	1.408
2.	493	+	283	=	776
3.	927	+	622	=	1.549
4.	869	+	820	=	1.689
5.	742	+	579	=	1.321
6.	752	+	429	=	1.181
7.	920	+	386	=	1.306
8.	358	+	266	=	624
9.	644	+	356	=	1.000
10.	793	+	286	=	1.079

Oefening 3
1.	841	+	645	=	1.486
2.	692	+	496	=	1.188
3.	876	+	862	=	1.738
4.	939	+	335	=	1.274
5.	830	+	728	=	1.558
6.	860	+	445	=	1.305
7.	995	+	383	=	1.378
8.	786	+	401	=	1.187
9.	485	+	470	=	955
10.	520	+	294	=	814

Oefening 4
1.	988	+	708	=	1.696
2.	967	+	793	=	1.760
3.	898	+	540	=	1.438
4.	856	+	384	=	1.240
5.	945	+	213	=	1.158
6.	741	+	294	=	1.035
7.	542	+	533	=	1.075
8.	376	+	263	=	639
9.	576	+	475	=	1.051
10.	340	+	313	=	653