|
1.
221 – 48 =
2
3
173
4
|
2.
811 – 36 =
775
3
2
4
|
3.
578 + 70 =
2
4
3
648
|
4.
647 + 169 =
2
3
4
816
|
|
5.
711 + 67 =
3
778
4
2
|
6.
913 – 557 =
3
356
4
2
|
7.
9 – 8 =
2
4
1
3
|
8.
905 – 231 =
2
3
674
4
|
|
9.
833 – 647 =
2
3
4
186
|
10.
7 + 126 =
133
2
3
4
|
11.
725 + 90 =
3
2
815
4
|
12.
767 + 166 =
4
933
2
3
|
|
13.
952 + 25 =
977
3
2
4
|
14.
534 + 129 =
4
663
2
3
|
15.
168 + 152 =
2
3
320
4
|
16.
649 + 168 =
2
3
4
817
|
|
17.
801 – 388 =
3
413
4
2
|
18.
331 + 491 =
822
4
3
2
|
19.
305 + 595 =
900
3
4
2
|
20.
161 – 75 =
3
86
4
2
|
|
1.
221 – 48 =
2
3
173
4
|
2.
811 – 36 =
775
3
2
4
|
3.
578 + 70 =
2
4
3
648
|
4.
647 + 169 =
2
3
4
816
|
|
5.
711 + 67 =
3
778
4
2
|
6.
913 – 557 =
3
356
4
2
|
7.
9 – 8 =
2
4
1
3
|
8.
905 – 231 =
2
3
674
4
|
|
9.
833 – 647 =
2
3
4
186
|
10.
7 + 126 =
133
2
3
4
|
11.
725 + 90 =
3
2
815
4
|
12.
767 + 166 =
4
933
2
3
|
|
13.
952 + 25 =
977
3
2
4
|
14.
534 + 129 =
4
663
2
3
|
15.
168 + 152 =
2
3
320
4
|
16.
649 + 168 =
2
3
4
817
|
|
17.
801 – 388 =
3
413
4
2
|
18.
331 + 491 =
822
4
3
2
|
19.
305 + 595 =
900
3
4
2
|
20.
161 – 75 =
3
86
4
2
|