Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	52	+		=	80
2.	95	+		=	172
3.	82	+		=	145
4.	86	+		=	144
5.	95	+		=	178
6.	98	+		=	142
7.	96	+		=	129
8.	88	+		=	108
9.	61	+		=	107
10.	80	+		=	106

Oefening 2
1.	98	+		=	120
2.	96	+		=	146
3.	49	+		=	91
4.	31	+		=	55
5.	48	+		=	69
6.	48	+		=	90
7.	51	+		=	79
8.	76	+		=	108
9.	94	+		=	167
10.	91	+		=	112

Oefening 3
1.	98	+		=	180
2.	30	+		=	53
3.	68	+		=	123
4.	49	+		=	83
5.	30	+		=	57
6.	87	+		=	151
7.	71	+		=	133
8.	72	+		=	127
9.	71	+		=	96
10.	86	+		=	123

Oefening 4
1.	54	+		=	103
2.	92	+		=	154
3.	83	+		=	120
4.	73	+		=	94
5.	100	+		=	120
6.	75	+		=	143
7.	73	+		=	104
8.	80	+		=	102
9.	61	+		=	98
10.	82	+		=	107

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	52	+	28	=	80
2.	95	+	77	=	172
3.	82	+	63	=	145
4.	86	+	58	=	144
5.	95	+	83	=	178
6.	98	+	44	=	142
7.	96	+	33	=	129
8.	88	+	20	=	108
9.	61	+	46	=	107
10.	80	+	26	=	106

Oefening 2
1.	98	+	22	=	120
2.	96	+	50	=	146
3.	49	+	42	=	91
4.	31	+	24	=	55
5.	48	+	21	=	69
6.	48	+	42	=	90
7.	51	+	28	=	79
8.	76	+	32	=	108
9.	94	+	73	=	167
10.	91	+	21	=	112

Oefening 3
1.	98	+	82	=	180
2.	30	+	23	=	53
3.	68	+	55	=	123
4.	49	+	34	=	83
5.	30	+	27	=	57
6.	87	+	64	=	151
7.	71	+	62	=	133
8.	72	+	55	=	127
9.	71	+	25	=	96
10.	86	+	37	=	123

Oefening 4
1.	54	+	49	=	103
2.	92	+	62	=	154
3.	83	+	37	=	120
4.	73	+	21	=	94
5.	100	+	20	=	120
6.	75	+	68	=	143
7.	73	+	31	=	104
8.	80	+	22	=	102
9.	61	+	37	=	98
10.	82	+	25	=	107