|
1.
431 – 20 =
411
2
4
3
|
2.
352 – 10 =
2
3
4
342
|
3.
855 + 40 =
895
2
3
4
|
4.
106 – 60 =
46
4
3
2
|
|
5.
976 + 20 =
996
4
2
3
|
6.
580 + 50 =
3
4
2
630
|
7.
977 – 70 =
2
3
907
4
|
8.
828 – 40 =
4
2
788
3
|
|
9.
567 – 90 =
4
2
477
3
|
10.
502 + 20 =
522
2
3
4
|
11.
104 – 20 =
2
84
4
3
|
12.
655 – 30 =
625
3
4
2
|
|
13.
370 + 60 =
2
3
4
430
|
14.
281 + 70 =
2
351
4
3
|
15.
183 – 10 =
4
2
3
173
|
16.
976 + 10 =
2
4
986
3
|
|
17.
156 – 30 =
4
2
126
3
|
18.
946 – 60 =
886
4
2
3
|
19.
416 – 60 =
4
2
3
356
|
20.
778 – 20 =
2
758
3
4
|
|
1.
431 – 20 =
411
2
4
3
|
2.
352 – 10 =
2
3
4
342
|
3.
855 + 40 =
895
2
3
4
|
4.
106 – 60 =
46
4
3
2
|
|
5.
976 + 20 =
996
4
2
3
|
6.
580 + 50 =
3
4
2
630
|
7.
977 – 70 =
2
3
907
4
|
8.
828 – 40 =
4
2
788
3
|
|
9.
567 – 90 =
4
2
477
3
|
10.
502 + 20 =
522
2
3
4
|
11.
104 – 20 =
2
84
4
3
|
12.
655 – 30 =
625
3
4
2
|
|
13.
370 + 60 =
2
3
4
430
|
14.
281 + 70 =
2
351
4
3
|
15.
183 – 10 =
4
2
3
173
|
16.
976 + 10 =
2
4
986
3
|
|
17.
156 – 30 =
4
2
126
3
|
18.
946 – 60 =
886
4
2
3
|
19.
416 – 60 =
4
2
3
356
|
20.
778 – 20 =
2
758
3
4
|