Welk getal ontbreekt t/m 1.000?

Optellen

Oefening 1
1.	452	+		=	808
2.	357	+		=	713
3.	288	+		=	413
4.	278	+		=	415
5.	397	+		=	520
6.	403	+		=	602
7.	392	+		=	615
8.	248	+		=	431
9.	326	+		=	605
10.	414	+		=	772

Oefening 2
1.	453	+		=	890
2.	297	+		=	483
3.	232	+		=	355
4.	413	+		=	588
5.	418	+		=	813
6.	489	+		=	687
7.	323	+		=	434
8.	454	+		=	825
9.	467	+		=	570
10.	388	+		=	686

Oefening 3
1.	432	+		=	767
2.	297	+		=	514
3.	463	+		=	645
4.	486	+		=	691
5.	343	+		=	678
6.	467	+		=	778
7.	255	+		=	445
8.	207	+		=	381
9.	489	+		=	870
10.	208	+		=	408

Oefening 4
1.	312	+		=	428
2.	403	+		=	645
3.	483	+		=	638
4.	433	+		=	706
5.	329	+		=	434
6.	247	+		=	458
7.	310	+		=	469
8.	338	+		=	464
9.	344	+		=	569
10.	303	+		=	573

Welk getal ontbreekt t/m 1.000?
| ANTWOORDEN

Optellen

Oefening 1
1.	452	+	356	=	808
2.	357	+	356	=	713
3.	288	+	125	=	413
4.	278	+	137	=	415
5.	397	+	123	=	520
6.	403	+	199	=	602
7.	392	+	223	=	615
8.	248	+	183	=	431
9.	326	+	279	=	605
10.	414	+	358	=	772

Oefening 2
1.	453	+	437	=	890
2.	297	+	186	=	483
3.	232	+	123	=	355
4.	413	+	175	=	588
5.	418	+	395	=	813
6.	489	+	198	=	687
7.	323	+	111	=	434
8.	454	+	371	=	825
9.	467	+	103	=	570
10.	388	+	298	=	686

Oefening 3
1.	432	+	335	=	767
2.	297	+	217	=	514
3.	463	+	182	=	645
4.	486	+	205	=	691
5.	343	+	335	=	678
6.	467	+	311	=	778
7.	255	+	190	=	445
8.	207	+	174	=	381
9.	489	+	381	=	870
10.	208	+	200	=	408

Oefening 4
1.	312	+	116	=	428
2.	403	+	242	=	645
3.	483	+	155	=	638
4.	433	+	273	=	706
5.	329	+	105	=	434
6.	247	+	211	=	458
7.	310	+	159	=	469
8.	338	+	126	=	464
9.	344	+	225	=	569
10.	303	+	270	=	573