Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	923	+		=	1.359
2.	996	+		=	1.277
3.	899	+		=	1.372
4.	552	+		=	982
5.	953	+		=	1.192
6.	311	+		=	555
7.	730	+		=	1.071
8.	533	+		=	768
9.	322	+		=	593
10.	629	+		=	856

Oefening 2
1.	673	+		=	1.277
2.	917	+		=	1.222
3.	524	+		=	871
4.	570	+		=	923
5.	699	+		=	965
6.	802	+		=	1.338
7.	876	+		=	1.717
8.	728	+		=	1.239
9.	964	+		=	1.455
10.	803	+		=	1.476

Oefening 3
1.	897	+		=	1.604
2.	405	+		=	616
3.	825	+		=	1.390
4.	707	+		=	1.228
5.	762	+		=	985
6.	580	+		=	937
7.	1.000	+		=	1.674
8.	419	+		=	680
9.	693	+		=	1.216
10.	965	+		=	1.889

Oefening 4
1.	814	+		=	1.324
2.	717	+		=	974
3.	518	+		=	920
4.	800	+		=	1.018
5.	834	+		=	1.466
6.	703	+		=	1.199
7.	524	+		=	814
8.	868	+		=	1.178
9.	703	+		=	1.074
10.	991	+		=	1.600

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	923	+	436	=	1.359
2.	996	+	281	=	1.277
3.	899	+	473	=	1.372
4.	552	+	430	=	982
5.	953	+	239	=	1.192
6.	311	+	244	=	555
7.	730	+	341	=	1.071
8.	533	+	235	=	768
9.	322	+	271	=	593
10.	629	+	227	=	856

Oefening 2
1.	673	+	604	=	1.277
2.	917	+	305	=	1.222
3.	524	+	347	=	871
4.	570	+	353	=	923
5.	699	+	266	=	965
6.	802	+	536	=	1.338
7.	876	+	841	=	1.717
8.	728	+	511	=	1.239
9.	964	+	491	=	1.455
10.	803	+	673	=	1.476

Oefening 3
1.	897	+	707	=	1.604
2.	405	+	211	=	616
3.	825	+	565	=	1.390
4.	707	+	521	=	1.228
5.	762	+	223	=	985
6.	580	+	357	=	937
7.	1.000	+	674	=	1.674
8.	419	+	261	=	680
9.	693	+	523	=	1.216
10.	965	+	924	=	1.889

Oefening 4
1.	814	+	510	=	1.324
2.	717	+	257	=	974
3.	518	+	402	=	920
4.	800	+	218	=	1.018
5.	834	+	632	=	1.466
6.	703	+	496	=	1.199
7.	524	+	290	=	814
8.	868	+	310	=	1.178
9.	703	+	371	=	1.074
10.	991	+	609	=	1.600