1.
650 – 500 =
3
150
4
2
|
2.
244 – 193 =
51
2
4
3
|
3.
405 + 221 =
2
4
3
626
|
4.
453 – 417 =
36
4
3
2
|
5.
648 + 139 =
787
2
3
4
|
6.
868 – 783 =
85
3
2
4
|
7.
805 + 81 =
886
3
2
4
|
8.
961 – 839 =
3
2
122
4
|
9.
137 + 381 =
518
3
4
2
|
10.
481 – 221 =
4
2
3
260
|
11.
1 – 0 =
4
2
3
1
|
12.
703 + 113 =
2
816
3
4
|
13.
715 – 713 =
2
3
4
1
|
14.
914 + 11 =
4
2
925
3
|
15.
240 – 134 =
4
2
3
106
|
16.
349 – 106 =
243
4
3
2
|
17.
448 + 249 =
2
3
4
697
|
18.
22 – 12 =
1
3
10
2
|
19.
80 + 18 =
2
3
98
4
|
20.
625 – 402 =
2
3
223
4
|
1.
650 – 500 =
3
150
4
2
|
2.
244 – 193 =
51
2
4
3
|
3.
405 + 221 =
2
4
3
626
|
4.
453 – 417 =
36
4
3
2
|
5.
648 + 139 =
787
2
3
4
|
6.
868 – 783 =
85
3
2
4
|
7.
805 + 81 =
886
3
2
4
|
8.
961 – 839 =
3
2
122
4
|
9.
137 + 381 =
518
3
4
2
|
10.
481 – 221 =
4
2
3
260
|
11.
1 – 0 =
4
2
3
1
|
12.
703 + 113 =
2
816
3
4
|
13.
715 – 713 =
2
3
4
1
|
14.
914 + 11 =
4
2
925
3
|
15.
240 – 134 =
4
2
3
106
|
16.
349 – 106 =
243
4
3
2
|
17.
448 + 249 =
2
3
4
697
|
18.
22 – 12 =
1
3
10
2
|
19.
80 + 18 =
2
3
98
4
|
20.
625 – 402 =
2
3
223
4
|