Welk getal ontbreekt t/m 2.000?

Optellen

Oefening 1
1.	361	+		=	565
2.	515	+		=	770
3.	993	+		=	1.662
4.	606	+		=	1.013
5.	801	+		=	1.321
6.	455	+		=	788
7.	858	+		=	1.662
8.	864	+		=	1.350
9.	581	+		=	971
10.	893	+		=	1.195

Oefening 2
1.	423	+		=	692
2.	781	+		=	1.269
3.	543	+		=	1.004
4.	961	+		=	1.921
5.	450	+		=	682
6.	490	+		=	872
7.	743	+		=	1.018
8.	644	+		=	1.107
9.	594	+		=	1.061
10.	899	+		=	1.640

Oefening 3
1.	860	+		=	1.430
2.	988	+		=	1.205
3.	718	+		=	1.117
4.	932	+		=	1.402
5.	919	+		=	1.769
6.	713	+		=	1.161
7.	926	+		=	1.705
8.	752	+		=	990
9.	485	+		=	843
10.	960	+		=	1.728

Oefening 4
1.	625	+		=	934
2.	647	+		=	1.108
3.	953	+		=	1.419
4.	887	+		=	1.494
5.	689	+		=	935
6.	922	+		=	1.271
7.	723	+		=	961
8.	710	+		=	1.243
9.	453	+		=	653
10.	669	+		=	1.194

Welk getal ontbreekt t/m 2.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	361	+	204	=	565
2.	515	+	255	=	770
3.	993	+	669	=	1.662
4.	606	+	407	=	1.013
5.	801	+	520	=	1.321
6.	455	+	333	=	788
7.	858	+	804	=	1.662
8.	864	+	486	=	1.350
9.	581	+	390	=	971
10.	893	+	302	=	1.195

Oefening 2
1.	423	+	269	=	692
2.	781	+	488	=	1.269
3.	543	+	461	=	1.004
4.	961	+	960	=	1.921
5.	450	+	232	=	682
6.	490	+	382	=	872
7.	743	+	275	=	1.018
8.	644	+	463	=	1.107
9.	594	+	467	=	1.061
10.	899	+	741	=	1.640

Oefening 3
1.	860	+	570	=	1.430
2.	988	+	217	=	1.205
3.	718	+	399	=	1.117
4.	932	+	470	=	1.402
5.	919	+	850	=	1.769
6.	713	+	448	=	1.161
7.	926	+	779	=	1.705
8.	752	+	238	=	990
9.	485	+	358	=	843
10.	960	+	768	=	1.728

Oefening 4
1.	625	+	309	=	934
2.	647	+	461	=	1.108
3.	953	+	466	=	1.419
4.	887	+	607	=	1.494
5.	689	+	246	=	935
6.	922	+	349	=	1.271
7.	723	+	238	=	961
8.	710	+	533	=	1.243
9.	453	+	200	=	653
10.	669	+	525	=	1.194