Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	674	+		=	1.059
2.	772	+		=	1.449
3.	741	+		=	1.031
4.	344	+		=	545
5.	863	+		=	1.609
6.	719	+		=	1.421
7.	619	+		=	821
8.	661	+		=	1.039
9.	892	+		=	1.300
10.	965	+		=	1.248

Oefening 2
1.	890	+		=	1.246
2.	591	+		=	1.029
3.	880	+		=	1.474
4.	657	+		=	898
5.	805	+		=	1.384
6.	839	+		=	1.388
7.	702	+		=	974
8.	938	+		=	1.552
9.	998	+		=	1.607
10.	595	+		=	801

Oefening 3
1.	889	+		=	1.590
2.	881	+		=	1.242
3.	498	+		=	826
4.	629	+		=	1.071
5.	680	+		=	1.303
6.	541	+		=	997
7.	968	+		=	1.726
8.	781	+		=	1.414
9.	978	+		=	1.813
10.	427	+		=	835

Oefening 4
1.	825	+		=	1.112
2.	907	+		=	1.439
3.	494	+		=	761
4.	613	+		=	1.070
5.	963	+		=	1.458
6.	518	+		=	928
7.	749	+		=	1.250
8.	474	+		=	867
9.	392	+		=	692
10.	912	+		=	1.214

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	674	+	385	=	1.059
2.	772	+	677	=	1.449
3.	741	+	290	=	1.031
4.	344	+	201	=	545
5.	863	+	746	=	1.609
6.	719	+	702	=	1.421
7.	619	+	202	=	821
8.	661	+	378	=	1.039
9.	892	+	408	=	1.300
10.	965	+	283	=	1.248

Oefening 2
1.	890	+	356	=	1.246
2.	591	+	438	=	1.029
3.	880	+	594	=	1.474
4.	657	+	241	=	898
5.	805	+	579	=	1.384
6.	839	+	549	=	1.388
7.	702	+	272	=	974
8.	938	+	614	=	1.552
9.	998	+	609	=	1.607
10.	595	+	206	=	801

Oefening 3
1.	889	+	701	=	1.590
2.	881	+	361	=	1.242
3.	498	+	328	=	826
4.	629	+	442	=	1.071
5.	680	+	623	=	1.303
6.	541	+	456	=	997
7.	968	+	758	=	1.726
8.	781	+	633	=	1.414
9.	978	+	835	=	1.813
10.	427	+	408	=	835

Oefening 4
1.	825	+	287	=	1.112
2.	907	+	532	=	1.439
3.	494	+	267	=	761
4.	613	+	457	=	1.070
5.	963	+	495	=	1.458
6.	518	+	410	=	928
7.	749	+	501	=	1.250
8.	474	+	393	=	867
9.	392	+	300	=	692
10.	912	+	302	=	1.214