|
1.
428 – 59 =
2
369
|
2.
917 + 66 =
983
2
|
3.
920 + 18 =
2
938
|
4.
76 – 42 =
2
34
|
|
5.
182 + 272 =
2
454
|
6.
543 – 10 =
2
533
|
7.
25 – 7 =
2
18
|
8.
855 + 24 =
879
2
|
|
9.
524 + 170 =
694
2
|
10.
397 + 399 =
2
796
|
11.
874 + 120 =
2
994
|
12.
156 + 486 =
2
642
|
|
13.
898 + 21 =
919
2
|
14.
691 + 260 =
951
2
|
15.
71 + 410 =
2
481
|
16.
922 + 70 =
2
992
|
|
17.
770 – 450 =
320
2
|
18.
702 – 407 =
295
2
|
19.
49 + 881 =
2
930
|
20.
332 – 231 =
101
2
|
|
1.
428 – 59 =
2
369
|
2.
917 + 66 =
983
2
|
3.
920 + 18 =
2
938
|
4.
76 – 42 =
2
34
|
|
5.
182 + 272 =
2
454
|
6.
543 – 10 =
2
533
|
7.
25 – 7 =
2
18
|
8.
855 + 24 =
879
2
|
|
9.
524 + 170 =
694
2
|
10.
397 + 399 =
2
796
|
11.
874 + 120 =
2
994
|
12.
156 + 486 =
2
642
|
|
13.
898 + 21 =
919
2
|
14.
691 + 260 =
951
2
|
15.
71 + 410 =
2
481
|
16.
922 + 70 =
2
992
|
|
17.
770 – 450 =
320
2
|
18.
702 – 407 =
295
2
|
19.
49 + 881 =
2
930
|
20.
332 – 231 =
101
2
|