|
1.
580 – 563 =
2
17
|
2.
722 – 604 =
2
118
|
3.
71 + 640 =
2
711
|
4.
544 – 534 =
1
10
|
|
5.
493 + 7 =
2
500
|
6.
550 + 437 =
2
987
|
7.
567 – 296 =
271
2
|
8.
846 + 123 =
969
2
|
|
9.
949 – 165 =
2
784
|
10.
386 – 201 =
2
185
|
11.
872 – 715 =
157
2
|
12.
500 + 294 =
794
2
|
|
13.
102 + 465 =
567
2
|
14.
620 – 189 =
431
2
|
15.
42 – 18 =
24
2
|
16.
239 – 165 =
74
2
|
|
17.
965 + 34 =
999
2
|
18.
83 + 708 =
2
791
|
19.
115 – 8 =
2
107
|
20.
406 + 247 =
653
2
|
|
1.
580 – 563 =
2
17
|
2.
722 – 604 =
2
118
|
3.
71 + 640 =
2
711
|
4.
544 – 534 =
1
10
|
|
5.
493 + 7 =
2
500
|
6.
550 + 437 =
2
987
|
7.
567 – 296 =
271
2
|
8.
846 + 123 =
969
2
|
|
9.
949 – 165 =
2
784
|
10.
386 – 201 =
2
185
|
11.
872 – 715 =
157
2
|
12.
500 + 294 =
794
2
|
|
13.
102 + 465 =
567
2
|
14.
620 – 189 =
431
2
|
15.
42 – 18 =
24
2
|
16.
239 – 165 =
74
2
|
|
17.
965 + 34 =
999
2
|
18.
83 + 708 =
2
791
|
19.
115 – 8 =
2
107
|
20.
406 + 247 =
653
2
|