|
1.
696 – 668 =
2
28
|
2.
403 – 278 =
2
125
|
3.
879 + 77 =
956
2
|
4.
881 + 58 =
939
2
|
|
5.
129 + 312 =
441
2
|
6.
110 – 73 =
37
2
|
7.
644 – 286 =
2
358
|
8.
141 – 70 =
71
2
|
|
9.
32 – 6 =
26
2
|
10.
263 – 146 =
117
2
|
11.
557 – 361 =
2
196
|
12.
617 – 517 =
100
2
|
|
13.
373 + 526 =
2
899
|
14.
945 – 495 =
450
2
|
15.
29 + 58 =
2
87
|
16.
199 + 73 =
272
2
|
|
17.
64 + 447 =
511
2
|
18.
840 – 224 =
616
2
|
19.
456 – 225 =
231
2
|
20.
815 – 734 =
81
2
|
|
1.
696 – 668 =
2
28
|
2.
403 – 278 =
2
125
|
3.
879 + 77 =
956
2
|
4.
881 + 58 =
939
2
|
|
5.
129 + 312 =
441
2
|
6.
110 – 73 =
37
2
|
7.
644 – 286 =
2
358
|
8.
141 – 70 =
71
2
|
|
9.
32 – 6 =
26
2
|
10.
263 – 146 =
117
2
|
11.
557 – 361 =
2
196
|
12.
617 – 517 =
100
2
|
|
13.
373 + 526 =
2
899
|
14.
945 – 495 =
450
2
|
15.
29 + 58 =
2
87
|
16.
199 + 73 =
272
2
|
|
17.
64 + 447 =
511
2
|
18.
840 – 224 =
616
2
|
19.
456 – 225 =
231
2
|
20.
815 – 734 =
81
2
|