|
1.
439 – 170 =
2
269
3
4
|
2.
59 – 32 =
27
3
4
2
|
3.
787 + 47 =
834
2
4
3
|
4.
827 – 462 =
365
2
3
4
|
|
5.
355 – 40 =
3
4
2
315
|
6.
236 + 690 =
4
2
3
926
|
7.
346 – 55 =
2
3
291
4
|
8.
488 + 62 =
2
550
4
3
|
|
9.
421 + 121 =
2
4
3
542
|
10.
19 – 7 =
12
2
1
3
|
11.
879 + 80 =
2
3
4
959
|
12.
770 – 86 =
684
2
3
4
|
|
13.
416 – 31 =
2
3
4
385
|
14.
765 – 660 =
105
2
3
4
|
15.
660 + 6 =
2
4
3
666
|
16.
862 – 33 =
829
4
3
2
|
|
17.
993 + 1 =
3
994
4
2
|
18.
745 – 604 =
141
3
2
4
|
19.
333 + 92 =
3
4
2
425
|
20.
11 + 146 =
157
2
3
4
|
|
1.
439 – 170 =
2
269
3
4
|
2.
59 – 32 =
27
3
4
2
|
3.
787 + 47 =
834
2
4
3
|
4.
827 – 462 =
365
2
3
4
|
|
5.
355 – 40 =
3
4
2
315
|
6.
236 + 690 =
4
2
3
926
|
7.
346 – 55 =
2
3
291
4
|
8.
488 + 62 =
2
550
4
3
|
|
9.
421 + 121 =
2
4
3
542
|
10.
19 – 7 =
12
2
1
3
|
11.
879 + 80 =
2
3
4
959
|
12.
770 – 86 =
684
2
3
4
|
|
13.
416 – 31 =
2
3
4
385
|
14.
765 – 660 =
105
2
3
4
|
15.
660 + 6 =
2
4
3
666
|
16.
862 – 33 =
829
4
3
2
|
|
17.
993 + 1 =
3
994
4
2
|
18.
745 – 604 =
141
3
2
4
|
19.
333 + 92 =
3
4
2
425
|
20.
11 + 146 =
157
2
3
4
|