Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	374	+		=	723
2.	798	+		=	1.436
3.	618	+		=	1.212
4.	979	+		=	1.332
5.	385	+		=	751
6.	645	+		=	1.033
7.	665	+		=	967
8.	934	+		=	1.681
9.	845	+		=	1.576
10.	915	+		=	1.615

Oefening 2
1.	849	+		=	1.475
2.	743	+		=	1.010
3.	793	+		=	1.422
4.	797	+		=	1.416
5.	903	+		=	1.342
6.	600	+		=	1.122
7.	970	+		=	1.184
8.	758	+		=	1.123
9.	395	+		=	752
10.	609	+		=	829

Oefening 3
1.	914	+		=	1.553
2.	665	+		=	1.028
3.	706	+		=	1.157
4.	993	+		=	1.439
5.	912	+		=	1.640
6.	897	+		=	1.393
7.	831	+		=	1.571
8.	805	+		=	1.499
9.	942	+		=	1.691
10.	929	+		=	1.515

Oefening 4
1.	301	+		=	593
2.	275	+		=	494
3.	994	+		=	1.491
4.	975	+		=	1.925
5.	828	+		=	1.229
6.	696	+		=	1.109
7.	934	+		=	1.329
8.	634	+		=	1.268
9.	755	+		=	1.060
10.	795	+		=	1.232

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	374	+	349	=	723
2.	798	+	638	=	1.436
3.	618	+	594	=	1.212
4.	979	+	353	=	1.332
5.	385	+	366	=	751
6.	645	+	388	=	1.033
7.	665	+	302	=	967
8.	934	+	747	=	1.681
9.	845	+	731	=	1.576
10.	915	+	700	=	1.615

Oefening 2
1.	849	+	626	=	1.475
2.	743	+	267	=	1.010
3.	793	+	629	=	1.422
4.	797	+	619	=	1.416
5.	903	+	439	=	1.342
6.	600	+	522	=	1.122
7.	970	+	214	=	1.184
8.	758	+	365	=	1.123
9.	395	+	357	=	752
10.	609	+	220	=	829

Oefening 3
1.	914	+	639	=	1.553
2.	665	+	363	=	1.028
3.	706	+	451	=	1.157
4.	993	+	446	=	1.439
5.	912	+	728	=	1.640
6.	897	+	496	=	1.393
7.	831	+	740	=	1.571
8.	805	+	694	=	1.499
9.	942	+	749	=	1.691
10.	929	+	586	=	1.515

Oefening 4
1.	301	+	292	=	593
2.	275	+	219	=	494
3.	994	+	497	=	1.491
4.	975	+	950	=	1.925
5.	828	+	401	=	1.229
6.	696	+	413	=	1.109
7.	934	+	395	=	1.329
8.	634	+	634	=	1.268
9.	755	+	305	=	1.060
10.	795	+	437	=	1.232