Welk getal ontbreekt t/m 1.000?

Optellen

Oefening 1
1.	321	+		=	576
2.	253	+		=	365
3.	483	+		=	918
4.	463	+		=	752
5.	469	+		=	727
6.	245	+		=	390
7.	450	+		=	626
8.	495	+		=	700
9.	472	+		=	619
10.	371	+		=	631

Oefening 2
1.	406	+		=	609
2.	224	+		=	443
3.	260	+		=	455
4.	290	+		=	485
5.	349	+		=	658
6.	434	+		=	704
7.	349	+		=	631
8.	186	+		=	364
9.	282	+		=	531
10.	284	+		=	389

Oefening 3
1.	385	+		=	718
2.	474	+		=	771
3.	414	+		=	804
4.	283	+		=	448
5.	400	+		=	531
6.	386	+		=	674
7.	473	+		=	790
8.	459	+		=	868
9.	162	+		=	288
10.	465	+		=	619

Oefening 4
1.	400	+		=	763
2.	317	+		=	451
3.	489	+		=	785
4.	170	+		=	336
5.	213	+		=	379
6.	167	+		=	280
7.	464	+		=	725
8.	420	+		=	675
9.	316	+		=	597
10.	259	+		=	509

Welk getal ontbreekt t/m 1.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	321	+	255	=	576
2.	253	+	112	=	365
3.	483	+	435	=	918
4.	463	+	289	=	752
5.	469	+	258	=	727
6.	245	+	145	=	390
7.	450	+	176	=	626
8.	495	+	205	=	700
9.	472	+	147	=	619
10.	371	+	260	=	631

Oefening 2
1.	406	+	203	=	609
2.	224	+	219	=	443
3.	260	+	195	=	455
4.	290	+	195	=	485
5.	349	+	309	=	658
6.	434	+	270	=	704
7.	349	+	282	=	631
8.	186	+	178	=	364
9.	282	+	249	=	531
10.	284	+	105	=	389

Oefening 3
1.	385	+	333	=	718
2.	474	+	297	=	771
3.	414	+	390	=	804
4.	283	+	165	=	448
5.	400	+	131	=	531
6.	386	+	288	=	674
7.	473	+	317	=	790
8.	459	+	409	=	868
9.	162	+	126	=	288
10.	465	+	154	=	619

Oefening 4
1.	400	+	363	=	763
2.	317	+	134	=	451
3.	489	+	296	=	785
4.	170	+	166	=	336
5.	213	+	166	=	379
6.	167	+	113	=	280
7.	464	+	261	=	725
8.	420	+	255	=	675
9.	316	+	281	=	597
10.	259	+	250	=	509