1.
580 – 40 =
3
4
2
540
|
2.
645 + 10 =
3
655
4
2
|
3.
829 + 10 =
2
4
3
839
|
4.
143 – 60 =
2
83
4
3
|
5.
972 – 60 =
912
3
4
2
|
6.
344 + 70 =
4
414
3
2
|
7.
810 + 70 =
4
3
2
880
|
8.
965 – 40 =
2
4
925
3
|
9.
540 – 30 =
3
510
2
4
|
10.
423 + 20 =
2
443
4
3
|
11.
559 – 100 =
4
459
2
3
|
12.
787 + 70 =
857
3
4
2
|
13.
325 + 90 =
3
415
2
4
|
14.
354 + 60 =
414
3
2
4
|
15.
904 + 10 =
3
4
2
914
|
16.
943 + 10 =
4
953
2
3
|
17.
569 + 10 =
4
579
3
2
|
18.
967 – 60 =
3
2
907
4
|
19.
365 + 100 =
2
3
465
4
|
20.
129 – 10 =
2
119
3
4
|
1.
580 – 40 =
3
4
2
540
|
2.
645 + 10 =
3
655
4
2
|
3.
829 + 10 =
2
4
3
839
|
4.
143 – 60 =
2
83
4
3
|
5.
972 – 60 =
912
3
4
2
|
6.
344 + 70 =
4
414
3
2
|
7.
810 + 70 =
4
3
2
880
|
8.
965 – 40 =
2
4
925
3
|
9.
540 – 30 =
3
510
2
4
|
10.
423 + 20 =
2
443
4
3
|
11.
559 – 100 =
4
459
2
3
|
12.
787 + 70 =
857
3
4
2
|
13.
325 + 90 =
3
415
2
4
|
14.
354 + 60 =
414
3
2
4
|
15.
904 + 10 =
3
4
2
914
|
16.
943 + 10 =
4
953
2
3
|
17.
569 + 10 =
4
579
3
2
|
18.
967 – 60 =
3
2
907
4
|
19.
365 + 100 =
2
3
465
4
|
20.
129 – 10 =
2
119
3
4
|