Welk getal ontbreekt t/m 1.000?

Optellen

Oefening 1
1.	231	+		=	440
2.	428	+		=	809
3.	435	+		=	601
4.	337	+		=	545
5.	448	+		=	577
6.	365	+		=	620
7.	219	+		=	391
8.	412	+		=	634
9.	458	+		=	746
10.	255	+		=	462

Oefening 2
1.	407	+		=	617
2.	460	+		=	833
3.	367	+		=	469
4.	369	+		=	563
5.	242	+		=	474
6.	468	+		=	674
7.	337	+		=	540
8.	499	+		=	618
9.	384	+		=	513
10.	468	+		=	751

Oefening 3
1.	453	+		=	708
2.	478	+		=	809
3.	433	+		=	851
4.	326	+		=	492
5.	369	+		=	622
6.	421	+		=	780
7.	385	+		=	729
8.	427	+		=	834
9.	464	+		=	752
10.	428	+		=	772

Oefening 4
1.	322	+		=	487
2.	423	+		=	572
3.	238	+		=	447
4.	200	+		=	386
5.	484	+		=	825
6.	183	+		=	307
7.	326	+		=	606
8.	456	+		=	719
9.	372	+		=	516
10.	145	+		=	258

Welk getal ontbreekt t/m 1.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	231	+	209	=	440
2.	428	+	381	=	809
3.	435	+	166	=	601
4.	337	+	208	=	545
5.	448	+	129	=	577
6.	365	+	255	=	620
7.	219	+	172	=	391
8.	412	+	222	=	634
9.	458	+	288	=	746
10.	255	+	207	=	462

Oefening 2
1.	407	+	210	=	617
2.	460	+	373	=	833
3.	367	+	102	=	469
4.	369	+	194	=	563
5.	242	+	232	=	474
6.	468	+	206	=	674
7.	337	+	203	=	540
8.	499	+	119	=	618
9.	384	+	129	=	513
10.	468	+	283	=	751

Oefening 3
1.	453	+	255	=	708
2.	478	+	331	=	809
3.	433	+	418	=	851
4.	326	+	166	=	492
5.	369	+	253	=	622
6.	421	+	359	=	780
7.	385	+	344	=	729
8.	427	+	407	=	834
9.	464	+	288	=	752
10.	428	+	344	=	772

Oefening 4
1.	322	+	165	=	487
2.	423	+	149	=	572
3.	238	+	209	=	447
4.	200	+	186	=	386
5.	484	+	341	=	825
6.	183	+	124	=	307
7.	326	+	280	=	606
8.	456	+	263	=	719
9.	372	+	144	=	516
10.	145	+	113	=	258