Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	808	+		=	1.559
2.	978	+		=	1.287
3.	982	+		=	1.474
4.	889	+		=	1.574
5.	964	+		=	1.722
6.	424	+		=	809
7.	722	+		=	933
8.	832	+		=	1.156
9.	670	+		=	1.068
10.	346	+		=	590

Oefening 2
1.	334	+		=	553
2.	994	+		=	1.672
3.	930	+		=	1.745
4.	552	+		=	957
5.	781	+		=	983
6.	804	+		=	1.440
7.	978	+		=	1.804
8.	664	+		=	964
9.	930	+		=	1.521
10.	613	+		=	862

Oefening 3
1.	701	+		=	1.120
2.	830	+		=	1.316
3.	636	+		=	1.161
4.	597	+		=	936
5.	793	+		=	1.382
6.	540	+		=	850
7.	885	+		=	1.365
8.	938	+		=	1.644
9.	951	+		=	1.690
10.	521	+		=	814

Oefening 4
1.	830	+		=	1.298
2.	920	+		=	1.391
3.	397	+		=	630
4.	793	+		=	1.283
5.	806	+		=	1.116
6.	827	+		=	1.089
7.	430	+		=	773
8.	786	+		=	1.089
9.	986	+		=	1.245
10.	932	+		=	1.218

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	808	+	751	=	1.559
2.	978	+	309	=	1.287
3.	982	+	492	=	1.474
4.	889	+	685	=	1.574
5.	964	+	758	=	1.722
6.	424	+	385	=	809
7.	722	+	211	=	933
8.	832	+	324	=	1.156
9.	670	+	398	=	1.068
10.	346	+	244	=	590

Oefening 2
1.	334	+	219	=	553
2.	994	+	678	=	1.672
3.	930	+	815	=	1.745
4.	552	+	405	=	957
5.	781	+	202	=	983
6.	804	+	636	=	1.440
7.	978	+	826	=	1.804
8.	664	+	300	=	964
9.	930	+	591	=	1.521
10.	613	+	249	=	862

Oefening 3
1.	701	+	419	=	1.120
2.	830	+	486	=	1.316
3.	636	+	525	=	1.161
4.	597	+	339	=	936
5.	793	+	589	=	1.382
6.	540	+	310	=	850
7.	885	+	480	=	1.365
8.	938	+	706	=	1.644
9.	951	+	739	=	1.690
10.	521	+	293	=	814

Oefening 4
1.	830	+	468	=	1.298
2.	920	+	471	=	1.391
3.	397	+	233	=	630
4.	793	+	490	=	1.283
5.	806	+	310	=	1.116
6.	827	+	262	=	1.089
7.	430	+	343	=	773
8.	786	+	303	=	1.089
9.	986	+	259	=	1.245
10.	932	+	286	=	1.218