Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
937 + 2 =
4
2
939
3
|
2.
194 + 247 =
2
3
4
441
|
3.
518 + 299 =
3
2
4
817
|
4.
35 + 463 =
2
3
498
4
|
|
5.
633 – 427 =
206
2
3
4
|
6.
34 + 735 =
2
3
769
4
|
7.
8 – 3 =
1
3
2
5
|
8.
635 + 280 =
915
4
3
2
|
|
9.
272 + 341 =
2
613
3
4
|
10.
917 + 2 =
2
919
4
3
|
11.
512 – 275 =
3
4
2
237
|
12.
570 – 345 =
225
2
4
3
|
|
13.
8 + 91 =
99
2
4
3
|
14.
811 – 3 =
3
808
2
4
|
15.
169 – 114 =
2
3
4
55
|
16.
51 + 159 =
2
4
3
210
|
|
17.
242 – 104 =
4
2
138
3
|
18.
921 – 34 =
3
887
4
2
|
19.
537 – 420 =
2
117
3
4
|
20.
433 + 558 =
2
4
991
3
|