1.
363 + 20 =
2
383
|
2.
204 – 60 =
144
2
|
3.
871 – 30 =
841
2
|
4.
910 + 90 =
1000
2
|
5.
236 + 70 =
2
306
|
6.
169 – 10 =
2
159
|
7.
989 – 80 =
909
2
|
8.
981 – 50 =
2
931
|
9.
724 + 90 =
2
814
|
10.
790 + 90 =
2
880
|
11.
493 – 40 =
2
453
|
12.
753 – 90 =
663
2
|
13.
741 – 90 =
651
2
|
14.
521 – 70 =
2
451
|
15.
109 – 10 =
2
99
|
16.
171 + 70 =
241
2
|
17.
418 + 70 =
2
488
|
18.
557 + 10 =
2
567
|
19.
930 – 70 =
2
860
|
20.
660 + 30 =
690
2
|
1.
363 + 20 =
2
383
|
2.
204 – 60 =
144
2
|
3.
871 – 30 =
841
2
|
4.
910 + 90 =
1000
2
|
5.
236 + 70 =
2
306
|
6.
169 – 10 =
2
159
|
7.
989 – 80 =
909
2
|
8.
981 – 50 =
2
931
|
9.
724 + 90 =
2
814
|
10.
790 + 90 =
2
880
|
11.
493 – 40 =
2
453
|
12.
753 – 90 =
663
2
|
13.
741 – 90 =
651
2
|
14.
521 – 70 =
2
451
|
15.
109 – 10 =
2
99
|
16.
171 + 70 =
241
2
|
17.
418 + 70 =
2
488
|
18.
557 + 10 =
2
567
|
19.
930 – 70 =
2
860
|
20.
660 + 30 =
690
2
|