1.
454 – 40 =
3
4
2
414
|
2.
730 – 60 =
3
670
2
4
|
3.
946 – 50 =
3
896
2
4
|
4.
764 + 40 =
4
3
804
2
|
5.
136 – 40 =
3
96
4
2
|
6.
109 + 10 =
3
119
2
4
|
7.
340 – 40 =
2
4
3
300
|
8.
947 – 30 =
3
2
4
917
|
9.
105 – 30 =
75
3
2
4
|
10.
538 – 20 =
4
2
518
3
|
11.
567 – 10 =
2
3
4
557
|
12.
270 – 30 =
3
2
4
240
|
13.
152 + 70 =
4
2
222
3
|
14.
909 + 80 =
3
2
4
989
|
15.
300 – 40 =
3
260
4
2
|
16.
641 – 100 =
4
3
2
541
|
17.
722 + 20 =
2
742
3
4
|
18.
745 + 40 =
785
4
2
3
|
19.
687 + 20 =
707
3
4
2
|
20.
903 + 90 =
4
2
993
3
|
1.
454 – 40 =
3
4
2
414
|
2.
730 – 60 =
3
670
2
4
|
3.
946 – 50 =
3
896
2
4
|
4.
764 + 40 =
4
3
804
2
|
5.
136 – 40 =
3
96
4
2
|
6.
109 + 10 =
3
119
2
4
|
7.
340 – 40 =
2
4
3
300
|
8.
947 – 30 =
3
2
4
917
|
9.
105 – 30 =
75
3
2
4
|
10.
538 – 20 =
4
2
518
3
|
11.
567 – 10 =
2
3
4
557
|
12.
270 – 30 =
3
2
4
240
|
13.
152 + 70 =
4
2
222
3
|
14.
909 + 80 =
3
2
4
989
|
15.
300 – 40 =
3
260
4
2
|
16.
641 – 100 =
4
3
2
541
|
17.
722 + 20 =
2
742
3
4
|
18.
745 + 40 =
785
4
2
3
|
19.
687 + 20 =
707
3
4
2
|
20.
903 + 90 =
4
2
993
3
|