Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
469 – 410 =
59
4
2
3
|
2.
733 – 206 =
2
3
527
4
|
3.
237 – 197 =
2
3
40
4
|
4.
534 + 383 =
2
917
4
3
|
|
5.
640 – 386 =
2
3
254
4
|
6.
424 – 272 =
4
152
3
2
|
7.
875 – 860 =
2
1
3
15
|
8.
219 – 199 =
2
20
3
4
|
|
9.
892 + 55 =
2
4
3
947
|
10.
223 – 120 =
2
4
103
3
|
11.
247 – 96 =
2
151
4
3
|
12.
436 + 44 =
480
4
2
3
|
|
13.
780 + 93 =
3
4
2
873
|
14.
431 – 283 =
4
3
148
2
|
15.
378 + 446 =
4
2
824
3
|
16.
25 + 958 =
2
983
4
3
|
|
17.
744 + 89 =
4
833
2
3
|
18.
984 – 160 =
2
824
4
3
|
19.
620 – 298 =
4
322
3
2
|
20.
564 + 70 =
2
4
634
3
|